2-alkyl-or-aryl-substituted-2-(pyrimidinyl-or-traizinyl-oxy(or-thio))-acotic acid derivatives, process for preparation, and use as herbicides or plant-growth regulators

ABSTRACT

Pyrimidinyl- or triazinyloxy- (or -thio)-carboxylic acid derivatives, processes for their preparation, and their use as herbicides or plant growth regulators 
     Compounds of the formula (I) ##STR1## in which A is ##STR2## and R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , X and Y are as defined in claim 1 are suitable as selective herbicides and plant growth regulators.

This application is a continuation of application Ser. No. 07/988,904, filed Nov. 5, 1992, now abandoned.

It is known that pyrimidinyloxy(thio)- and triazinyloxy(thio)-carboxylic acid derivatives have herbicidal and plant-growth-regulating properties (see EP-A-0,347,811, EP-A-0,409,369 (CA-A-2,021,486), EP-A-0,409,368 (CA-A-2,021,486), EP-A-400,741). However, some of the known active substances of this structural type have disadvantages when used, for example insufficient selectivity in important crops.

Novel pyrimidinyloxy(thio)- and triazinyloxy(thio)-carboxylic acid derivatives which have advantageous herbicidal properties have now been found.

The invention relates to compounds of the formula (I) ##STR3## in which

A is a radical of the formula ##STR4##

X is O or S,

Y is N or CH,

R¹ and R² independently of one another are hydrogen, alkyl, alkoxy, alkylthio, halogen, haloalkoxy, amino, alkylamino or dialkylamino,

R³ is an aliphatic, araliphatic or aromatic radical of the formula ##STR5##

R⁵ is alkyl, alkenyl or alkynyl, the three last-mentioned radicals independently of one another being unsubstituted or mono- or polysubstituted by radicals selected from the group comprising alkoxy, alkylthio, amino, alkylamino, dialkylamino, nitro, halogen, phenyl and substituted phenyl, or

cycloalkyl or cycloalkenyl, the two last-mentioned radicals independently of one another being unsubstituted or mono- or polysubstituted by radicals selected from the group comprising alkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, nitro, halogen, phenyl and substituted phenyl or

a radical of the formula ##STR6##

R⁶ is hydrogen or alkyl,

R⁷ is hydrogen, halogen, alkyl which is unsubstituted or substituted by one or more radicals selected from the group comprising halogen, hydroxyl, alkoxy and alkylthio, or is cycloalkyl, hydroxyl, cyano, thienyl, naphthyl or dihydronaphthyl, the three last-mentioned radicals being unsubstituted or substituted, or is a radical of the formula ##STR7##

R¹³ is hydrogen, halogen, nitro, alkyl, haloalkyl, alkoxy, alkylsulfonyl, alkylsulfinyl or alkylthio,

R⁸ and R⁹ independently of one another are hydrogen or alkyl, or R⁸ and R⁹ together with the carbon atom linking them form a 3- to 6-membered ring which can contain an oxygen atom and be substituted by one or more alkyl groups,

R¹⁰ radicals independently of one another are hydrogen or alkyl, or R¹⁰ together with R¹² and the ethylene group linking them are a cyclopentene or cyclohexene ring which is unsubstituted or substituted by one or more alkyl groups,

R¹¹ is hydrogen or alkyl,

R¹² is alkyl, phenyl or substituted phenyl, or R¹² together with R¹⁰ and the ethylene group linking them are a cyclopentene or cyclohexene ring which is unsubstituted or substituted by one or more alkyl groups,

D¹ to D⁶ independently of one another are O, S or NR¹⁴,

R¹⁴ is hydrogen, alkyl or phenyl,

n is an integer from 0 to 4, preferably 0 to 3,

m is an integer from 0 to 3, preferably 0 or 1,

o is an integer from 0 to 2, preferably 0 or 1,

P is an integer from 0 to 2, preferably 0 or 1,

Z independently of one another are halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, amino, alkylamino, dialkyl amino, nitro, phenyl or substituted phenyl,

R⁴ is an alkoxy radical which is substituted by alkenyloxy, alkynyloxy, cycloalkyloxy, cyclo alkenyloxy, benzyloxy, benzylthio, (R*)₃ Si or (R*)₃ SiO, in which the radicals R* independently of one another are alkyl, alkenyl or alkynyl, aryl or substituted aryl, or by cyano, nitro, alkylcarbonyl, alkenylcarbonyl, alkynyl carbonyl, cycloalkylcarbonyl, alkylsulfonyl, alkylsulfinyl, dialkylphosphinyl, dialkyl phosphonyl, dialkylphosphoryl, pyridyl or substituted pyridyl, or

R⁴ is the radical of 5- or 6-membered cyclic lactone or

R⁴ is a radical of the formula

    --D.sup.7 --CR.sup.15 R.sup.16 --D.sup.8 --L

    --NR.sup.32 --SO.sub.2 --R.sup.33

    --NR.sup.34 --O--R.sup.35

    --NR--N═CR.sup.21 R.sup.22 or ##STR8##

D⁷ is O, S or NR¹⁴,

D⁸ is a direct bond or a saturated or unsaturated hydrocarbon group, preferably a direct bond, CH₂, CH(CH₃) or C(CH₃)₂,

R¹⁵ and R¹⁶ independently of one another are hydrogen, alkyl, alkenyl, alkynyl, aryl, substituted aryl, benzyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy or substituted aryloxy,

L is an acid derivative radical of the formula

    --CO--O--R.sup.17

    --CO--S--R.sup.18

    --CO--NR.sup.19 R.sup.20

    --CO--O--N═CR.sup.21 R.sup.22

    --CO--N═CR.sup.21 R.sup.22

    --O--CO--R.sup.23

    --S--CO--R.sup.23

    --NR.sup.14 --CO--R.sup.23 ##STR9##

R¹⁷ and R¹⁸ are hydrogen, alkyl, alkenyl or alkynyl, the 3 last-mentioned radicals being unsubstituted or substituted by one or more radicals selected from the group comprising halogen, or are cycloalkyl, cycloalkenyl, benzyl, phenyl or substituted phenyl,

R¹⁹ and R²⁰ independently of one another are hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, benzyl, phenyl or substituted phenyl, or together with the nitrogen atom linking them are a heterocyclic 3- to 7-membered ring which, besides the nitrogen atom, can additionally contain hetero atoms selected from the group comprising N, O and S,

R²¹ and R²² independently of one another are hydrogen, alkyl, alkenyl or alkynyl, or together with the carbon atom linking them are a carbocylic 4- to 8-membered radical,

R²³ is hydrogen, alkyl, cycloalkyl, phenyl or substituted phenyl,

R²⁴ is alkyl, alkenyl or alkynyl, the 3 last-mentioned radicals being unsubstituted or substituted by one or more radicals selected from the group comprising halogen, alkoxy, alkenyloxy and alkynyloxy, or are cycloalkyl, cycloalkenyl, alkanoyl, alkoxycarbonyl, benzyl, benzoxycarbonyl, phenyl or benzoyl, the 4 last-mentioned radicals being unsubstituted or substituted,

R²⁵ is hydrogen, alkyl, alkanoyl, alkoxycarbonyl, alkenyloxycarbonyl, alkynyloxycarbonyl, phenyl or substituted phenyl,

R²⁶ is hydrogen, alkyl, alkenyl or alkynyl, the 3 last-mentioned radicals being unsubstituted or substituted by one or more radicals selected from the group comprising halogen,

R²⁷ and R²⁸ independently of one another are hydrogen, alkyl, alkanoyl, alkoxycarbonyl, alkenyloxycarbonyl, alkynyloxycarbonyl, phenyl or substituted phenyl,

R²⁹, R³⁰ and R³¹ independently of one another are alkyl, alkenyl or alkynyl, phenyl or substituted phenyl,

R³² is hydrogen, alkyl, alkenyl, alkynyl, aryl or aralkyl,

R³³ is alkyl, aryl, substituted aryl, aralkyl or substituted aralkyl,

R³⁴ is hydrogen, alkyl, alkenyl, alkynyl, aryl or aralkyl and

R³⁵ is hydrogen, alkyl, alkenyl, alkynyl, aryl or aralkyl.

In formula (I) and hereinafter, the radicals alkyl, alkoxy, haloalkyl, haloalkoxy, alkylamino and alkylthio and the corresponding unsaturated and/or substituted radicals can in each case be straight-chain or branched. Unless specifically indicated, preferred radicals are those where the carbon atom chains or carbon skeletons have 1 to 4 carbon atoms, or, in the case of unsaturated groups, 2 to 4 carbon atoms. Alkyl radicals, also in the composite meanings such as alkoxy, haloalkyl and the like, are methyl, ethyl, n- or i-propyl, n-, i-, t- or 2-butyl; alkenyl and alkynyl radicals have the meaning of the unsaturated radicals which are possible and which correspond to the alkyl radicals, such as 2-propenyl, 2- or 3-butenyl, 2-propynyl, and 2- or 3-butynyl. Halogen is fluorine, chlorine, bromine or iodine, haloalkyl is alkyl which is substituted by one or more atoms selected from the group comprising halogen; haloalkyl is, for example, CF₃, CHF₂, CH₂ CF₃. The same applies analogously to haloalkenyl, haloalkoxy and other halogen-substituted radicals. Aryl is, for example, phenyl, naphthyl, tetrahydronaphthyl, indenyl, indanyl, pentalenyl, fluorenyl and the like, preferably phenyl; aryloxy denotes the corresponding oxy radicals, preferably phenoxy. Heteroaryl, or heteroaryl in heteroaryloxy, denotes, for example, pyridyl, pyrimidyl, pyridazyl, thienyl, furyl, pyrrolyl, pyrazolyl and imidazolyl, preferably pyridyl and thienyl, but also bicyclic or polycyclic aromatic or araliphatic compounds. Optionally substituted aryl, aryloxy, heteroaryl, heteraryloxy, phenyl, phenoxy, benzyl and benzyloxy as well as bicyclic radicals having aromatic moieties preferably denote in each case the corresponding unsubstituted radical or denote a substituted radical derived therefrom, the substituents being, for example, one or more, preferably 1, 2 or 3, radicals selected from the group comprising halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro, cyano, alkoxycarbonyl, alkylcarbonyl, alkanoyl, carbamoyl, mono- and dialkylaminocarbonyl, mono- and dialkylamino, alkylsulfinyl and alkylsulfonyl and, in the case of radicals having carbon atoms, those having 1 to 4 carbon atoms, in particular 1 or 2, are preferred. Preferred substituents are, as a rule, those selected from the group comprising halogen, such as fluorine or chlorine, C₁ -C₄ -alkyl, preferably methyl or ethyl, C₁ -C₄ -haloalkyl, preferably trifluoromethyl, C₁ -C₄ -alkoxy, preferably methoxy or ethoxy, C₁ -C₁ -haloalkoxy, nitro and cyano. Methyl, methoxy and chlorine are particularly preferred.

Examples of silicon-containing radicals R⁴ are trialkylsilylalkoxy, aryldialkylsilylalkoxy, diarylalkylsilylalkoxy, trialkylsilylalkenyloxy, aryldialkylsilylalkenyloxy, diarylalkylsilylalkenyloxy, trialkylsilylalkynyloxy, aryldialkylsilylalkynyloxy, diarylalkylsilylalkynyloxy, trialkylsilyloxy, aryldialkylsilyloxy, diarylalkylsilyloxy.

The invention also relates to all stereoisomers and their mixtures which come under the formula (I) but are not specifically defined.

Particularly interesting compounds of the formula (I) according to the invention are those in which

R¹, R² independently of one another are C₁ -C₁ -alkyl, C₁ -C₁ -alkoxy, halogen, C₁ -C₁ -haloalkoxy, C₁ -C₁ -alkylamino or di-(C₁ -C₁ -alkyl)amino, preferably methyl, methoxy, chlorine or methylamino, in particular one of the two radicals being methoxy and the other radical being methyl, methoxy, chlorine or methylamino.

Other compounds of the formula (I) according to the invention which are of particular interest are those in which

A is a radical of the formula --CHR³ --CO--R⁴,

R³ is an aliphatic, araliphatic or aromatic radical of the formula --CR⁷ R⁸ R⁹ or phenyl, pyridyl or thienyl, where the 3 last-mentioned radicals are unsubstituted or substituted by 1 to 3 radicals Z,

R⁷ is hydrogen, halogen, C₁ -C₄ -alkyl, phenyl or benzyl, preferably hydrogen or methyl,

R⁸ and R⁹ independently of one another are hydrogen or C₁ -C₄ -alkyl, or R⁸ and R⁹ together with the carbon atom linking them are a 5- or 6-membered ring and

Z independently of one another are halogen, C₁ -C₄ -alkyl, C₁ -C₄ -haloalkyl, C₁ -C₄ -alkoxy, C₁ -C₄ -haloalkoxy, C₁ -C₄ alkylthio, C₁ -C₄ -alkylamino, di-(C₁ -C₄ -alkyl) amino or nitro.

R³ is preferably isopropyl, 2,2-dimethyl-ethyl or cyclopentyl.

Other compounds of the formula (I) according to the invention which are of particular interest are those in which

A is a radical of the formula ##STR10##

R⁵ is C₁ -C₄ -alkyl, C₂ -C₁ -alkenyl or C₂ -C₄ -alkynyl, cyclohexyl, cyclopentyl, phenyl, pyridyl or thienyl, where the 3 last-mentioned radicals are unsubstituted or substituted by 1 to 3 radicals Z,

R⁶ is hydrogen or C₁ -C₄ -alkyl and

Z independently of one another are halogen, C₁ -C₄ -alkyl, C₁ -C₄ -haloalkyl, C₁ -C₄ -alkoxy, C₁ -C₄ -haloalkoxy, C₁ -C₄ -alkylthio, C₁ -C₄ -alkylamino, di-(C₁ -C₄ -alkyl)amino or nitro.

Other compounds of the formula (I) according to the invention which are of particular interest are those in which

R⁴ is a C₁ -C₄ -alkoxy radical which is substituted by C₂ -C₁ -alkenyloxy, C₂ -C₄ -alkynyloxy, cyclohexyloxy, cyclohexenyloxy, cyclopentyloxy, cyclopentenyloxy, benzyloxy, benzylthio, (R*)₃ Si or (R*)₃ SiO, in which the radicals R* independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkynyl or phenyl, or by cyano, nitro, (C₁ -C₄ -alkyl)-carbonyl, C₁ -C₄ -alkylsulfonyl, C₁ -C₄ -alkylsulfinyl, di-(C₁ -C₄ -alkyl)-phosphinyl, di-(C₁ -C₁ -alkyl)-phosphonyl, di-(C₁ -C₁ -alkyl) -phosphoryl or pyridyl, or

R⁴ is the radical of a 5- or 6-membered cyclic lactone bonded to the remaining moiety in the α-position relative to the carbonyl group, or

R⁴ is a radical of the formula ##STR11##

D⁷ is O, S, NH, methylamino or ethylamino,

D⁸ is a direct bond,

R¹⁵ and R¹⁶ independently of one another are hydrogen, C₁ -C₁ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkynyl, phenyl or benzyl, preferably hydrogen or methyl,

L is an acid derivative radical of the formula

    --CO--O--R.sup.17

    --CO--S--R.sup.18

    --CO--NR.sup.19 R.sup.22

    --CO--O--N═CR.sup.21 R.sup.22

    --CO--N═CR.sup.21 R.sup.22

    --O--CO--R.sup.23

    --S--CO--R.sup.23

    --NR.sup.14 --CO--R.sup.23 ##STR12##

R¹⁷ is hydrogen, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl, cyclohexyl, cyclopentyl, cyclohexenyl, cyclopentenyl, benzyl, phenyl or substituted phenyl,

R¹⁸ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₁ -alkenyl or C₂ -C₄ -alkynyl, cyclohexyl, cyclopentyl, cyclohexenyl, cyclopentenyl, benzyl, phenyl or substituted phenyl,

R¹⁹ and R²⁰ independently of one another are hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkynyl, cyclohexyl, cyclopentyl, benzyl, phenyl or substituted phenyl, or, together with the nitrogen atom linking them, a heterocyclic 5- or 6-membered ring which, besides the nitrogen atom, can additionally contain an oxygen atom as hetero atom,

R²¹ and R²² independently of one another are C₁ -C₄ -alkyl, C₂ -C₁ -alkenyl or C₂ -C₄ -alkynyl or, together with the carbon atom linking them, a carbocylic 5- to 6-membered radical,

R²³ is hydrogen, C₁ -C₄ -alkyl, cyclohexyl, cyclopentyl, phenyl or substituted phenyl,

R²⁴ is C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl, where the 3 last-mentioned radicals are unsubstituted or substituted by one or more radicals selected from the group comprising halogen or C₁ -C₄ -alkoxy, or is C₁ -C₄ -alkanoyl, (C₁ -C₄ -alkoxy) -carbonyl, benzyl, benzoxycarbonyl, phenyl or benzoyl, the 4 last-mentioned radicals being unsubstituted or substituted by C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, halogen or nitro,

R²⁵ is hydrogen or C₁ -C₄ -alkyl,

R²⁶ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl, where the 3 last-mentioned radicals are unsubstituted or substituted by one or more radicals selected from the group comprising halogen,

R²⁷, and R²⁸ independently of one another are hydrogen or C₁ -C₄ -alkyl and

R²⁹, R³⁰ and R³¹ independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl, phenyl or substituted phenyl.

Preferred compounds of the formula (I) according to the invention are those in which

R⁴ is a C₁ -C₄ -alkoxy radical which is substituted by allyl, propargyl, (R*)₃ Si or (R*)₃ SiO, in which the radicals R* independently of one another are methyl, ethyl or phenyl, or by cyano, C₁ -C₄ -alkylsulfonyl, C₁ -C₄ -alkylsulfinyl, di-(C₁ -C₄ -alkyl)-phosphinyl, di-(C₁ -C₄ -alkyl)-phosphonyl, di-(C₁ -C₄ -alkyl)-phosphoryl or pyridyl, or

R⁴ is the radical of a 5-membered cyclic lactone bonded to the remaining moiety in the α-position relative to the carbonyl group, or

R⁴ is a radical of the formula

    --D.sup.7 --CR.sup.15 R.sup.16 --D.sup.8 --L or ##STR13##

D⁷ is O, S or NH,

D⁸ is a direct bond,

R¹⁵ and R¹⁶ independently of one another are hydrogen or methyl,

L is an acid derivative radical of the formula

    --CO--O--R.sup.17

    --CO--S--R.sup.18

    --CO--N═CR.sup.21 R.sup.22

    --CO--O--N═CR.sup.21 R.sup.22 ##STR14##

R¹⁷ is hydrogen, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl, benzyl or phenyl,

R¹⁸ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl, benzyl or phenyl,

R¹⁹ and R²⁰ independently of one another are hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkynyl, cyclohexyl, cyclopentyl, benzyl, phenyl or substituted phenyl, or, together with the nitrogen atom linking them, a heterocyclic 5- or 6-membered ring which, besides the nitrogen atom, can additionally contain an oxygen atom as hetero atom,

R²⁴ is C₁ -C₄ -alkyl where the last-mentioned radical is unsubstituted or substituted by one or more radicals selected from the group comprising halogen or C₁ -C₄ -alkoxy, or is C₁ -C₄ -alkanoyl, (C₁ -C₄ -alkoxy)-carbonyl, benzyl, benzoxycarbonyl, phenyl or benzoyl, where the 4 last-mentioned radicals are unsubstituted or substituted by C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, halogen or nitro,

R²⁵ is hydrogen or C₁ -C₄ -alkyl,

R²⁶ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl,

R²⁷ and R²⁸ independently of one another are hydrogen or C₁ -C₄ -alkyl and

R²⁹, R³⁰ and R³¹ independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkynyl or phenyl.

Other preferred compounds of the formula (I) according to the invention are those in which the individual radicals and groups contain two or more of the radicals or groups mentioned above as being preferred.

The present invention furthermore relates to the process for the preparation of compounds of the formula I, which comprises

(a) if A is a radical of the formula --CHR³ --CO--R⁴, reacting a compound of the formula (II) ##STR15## in which R³, R⁴ and X are as defined in formula (I), with a compound of the formula (III) ##STR16## in which NUC¹ is a leaving group, for example selected from the group comprising halogen, alkylsulfonyl, benzylsulfonyl and substituted benzylsulfonyl, and R¹, R² and Y are as defined in formula (I),

in the presence of an inorganic or organic base,

(b) if A is a radical of the formula --CHR³ --CO--R⁴, reacting a compound of the formula (IV) ##STR17## in which NUC² is a leaving group, for example selected from the group comprising halogen and methylsulfonyloxy, and R³ and R⁴ are as defined in formula (I),

with a compound of the formula (V) ##STR18## in which R¹, R², X and Y are as defined in formula (I), in the presence of an inorganic or organic base,

(c) if A is the group ##STR19## reacting a compound of the formula (VI) ##STR20## in which

R¹, R², R⁴, X and Y are as defined in formula (I), with an aldehyde or ketone of the formula (VII)

    R.sup.5 --CO--R.sup.6                                      (VII)

in which R⁵ and R⁶ are as defined in formula (I), in the presence of a suitable inorganic or organic base,

(d) if A is a radical of the formula --CHR³ --CO--R⁴, reacting a compound of the formula (VI) mentioned under (c) with a halogen compound of the formula (VIII)

    R.sup.3 --Hal                                              (VIII)

in which Hal is chlorine, bromine or iodine and R³ is as defined in formula (I), in the presence of an inorganic or organic base, or

(e) reacting a compound of the formula (IX) or (X) ##STR21## in which R¹, R², R³, R⁵, R⁶, X and Y are as defined in formula (I) and D* is O, S or NR¹⁴ where R¹⁴ is H, alkyl or phenyl, with a halogen compound of the formula (XI)

    R°--Hal                                             (XI)

in which R° is defined such that R°--D*-- has the meaning of R⁴ in formula (I), in the presence of an inorganic or organic base, or

(f) reacting a compound of the formula (IX) or (X) in which D* is an oxygen atom with thionyl chloride, oxalyl chloride, chlorocarbonate, carbonyldiimidazole or dicyclohexylcarbodiimide/4-N,N-dimethyl aminopyridine in a manner known per se to give an activated carboxylic acid derivative, and reacting the latter with a compound of the formula (XII)

    R.sup.4 --H

in the presence of an inorganic or organic base.

Bases which are suitable for the reactions (a) to (e) are, for example, inorganic bases from the group comprising the alkali metal carbonates, such as Na₂ CO₃, K₂ CO₃, NaHCO₃ or KHCO₃, alkali metal hydrides, such as NaH and KH, and alkali metal fluoride, such as KF, or organic bases such as triethylamine or DBU (1,8-diazabicyclo[5.4.0]undec-7-ene).

As a rule, it is expedient to carry out these reactions in the presence of a solvent, for example using a solvent such as toluene, xylene, diethylethane, diglyme, monoglyme, tetrahydrofuran, dioxane, dimethylformamide, N,N-dimethylacetamide, dimethyl sulfoxide or acetonitrile.

It can also be advantageous to carry out the reactions in the presence of catalysts, for example crown ethers or N,N,N',N', -tetramethylenediamine

Suitable bases for reaction (f) are, for example, alkali metals such as sodium or potassium, alkali metal carbonates, such as K₂ CO₃, Na₂ CO₃, NaHCO₃ or KHCO₃, alkali metal hydrides and alkaline earth metal hydrides such as NaH, KH or CaH₂, alkali metal hydroxides such as KOH or NaOH, or organic bases such as triethylamine. Solvents which can be employed in this reaction are hydrocarbons such as n-heptane, benzene, toluene or xylene, halogenated hydrocarbons such as CH₂ Cl₂, CHCl₃, CCl₄ and chlorobenzene, alcohols such as CH₃ OH, C₂ H₅₀ H or 2-propanol, ethers such as diethyl ether, dioxane and tetrahydrofuran (THF), ketones such as acetone or methyl ethyl ketone, esters such as ethyl acetate, aprotic polar solvents such as dimethylformamide (DMF), N,N-dimethylacetamide, dimethyl sulfoxide (DMSO), acetonitrile and water.

The starting materials of the formulae II-XII are known or can be synthesized analogously to known processes (cf. literature: EP-A-347,811, EP-A-409,369 (CA-A-2,021,486), EP-A-409,368 (CA-A-2,021,486), EP-A-400,741).

The compounds of the formula (I) according to the invention have an excellent herbicidal activity against a broad range of economical important monocotyledon and dicotyledon harmful plants. The active substances also act efficiently on perennial weeds which produce shoots from rhizomes, rootstocks or other perennial organs and which are difficult to control. In this context, it does not matter whether the substances are applied before sowing, pre-emergence or post-emergence.

Specifically, examples may be mentioned of some representatives of the monocotyledon and dicotyledon weed flora which can be controlled by the compounds according to the invention, without these being a restriction to certain species.

Examples of weed species on which the active substance acts efficiently are, from amongst the monocotyledons, Avena, Lolium, Alopecurus, Phalaris, Echinochloa, Digitaria, Setaria and also Cyperus species from the annual sector and from amongst the perennial species Agropyron, Cynodon, Imperata and Sorghum, and also perennial Cyperus species.

In the case of the dicotyledon weed species, the range of action extends to species such as, for example, Galium, Viola, Veronica, Lamium, Stellaria, Amaranthus, Sinapis, Ipomoea, Matricaria, Abutilon and Sida from amongst the annuals, and to Convolvulus, Cirsium, Rumex and Artemisia in the case of the perennial weeds.

The active substances according to the invention equally effect outstanding control of weeds which occur under the specific conditions of rice growing such as, for example, Sagittaria, Alisma, Eleocharis, Scirpus and Cyperus.

If the compounds according to the invention are applied to the soil surface before germination, then the weed seedlings are either prevented completely from emerging, or the weeds grow until they have reached the cotyledon stage but then their growth stops, and, eventially, after three or four weeks have elapsed, they die completely.

If the active substances are applied post-emergence to the green parts of the plants, growth equally stops drastically a very short time after the treatment and the weed plants remain at the growth stage of the time of application, or they die completely after a certain time, so that in this manner competition by the weeds, which is harmful to the crop plants, is eliminated at a very early stage and in a sustained manner.

Although the compounds according to the invention have an excellent herbicidal activity against mono- and dicotyledon weeds, crop plants of economically important crops such as, for example, wheat, barley, rye, rice, maize, sugarbeet, cotton and soya, are not damaged at all, or only to a negligible extent. For these reasons, the present compounds are highly suitable for selectively controlling undesired plant growth in plantings for agricultural purposes.

In addition, the substances according to the invention have excellent growth-regulating properties in crop plants. They engage in the plant metabolism in a regulating manner and can thus be employed for the targeted control of plant constituents and for facilitating harvesting, such as, for example, by provoking desiccation and stunted growth. Furthermore, they are also suitable for generally regulating and inhibiting undesired vegetative growth without simultaneously destroying the plants. Inhibition of the vegetative growth plays an important role in many monocotyledon and dicotyledon crops because lodging can be hereby reduced, or prevented completely.

The compounds according to the invention can be applied in the form of wettable powders, emulsifiable concentrates, sprayable solutions, dusts or granules, in the conventional preparations.

The compounds of the formula (I) can be formulated in various ways, depending on the prevailing biological and/or chemicophysical parameters. Examples of possible formulations which are suitable are: wettable powders (WP), emulsifiable concentrates (EC), concentrated emulsions (EW), for example oil-in-water or water-in-oil emulsions, sprayable solutions or emulsions, dispersions on an oil or water basis (SC), dusts (DP), seed-dressing agents, granules (G) such as granules for soil application and for broadcasting (FG), water-dispersible granules (WDG), ULV formulations, microcapsules or waxes.

These individual formulation types are known in principle and are described, for example, in: Winnacker-Kuchler, "Chemische Technologie" [Chemical Technology], Volume 7, C. Hauser Verlag Munich, 4th Ed. 1986; van Valkenburg, "Pesticides Formulations", Marcel Dekker N.Y., 2nd Ed. 1972-73; K. Martens, "Spray Drying Handbook", 3rd Ed. 1979, G. Goodwin Ltd. London.

The necessary formulation auxiliaries such as inert materials, surfactants, solvents and other additives are also known and described, for example in: Watkins, "Handbook of Insecticide Dust Diluents and Carriers", 2nd Ed., Darland Books, Caldwell N.J.; H. V. Olphen, "Introduction to Clay Colloid Chemistry"; 2nd Ed. J. Wiley and Sons, N.Y.; Marsden, "Solvents Guide", 2nd Ed., Interscience, N.Y. 1950; McCutcheon's "Detergents and Emulsifiers Annual", MC Publ. Corp., Ridgewood N.J.; Sisley and Wood, "Encyclopedia of Surface Active Agents", Chem. Publ. Co. Inc., N.Y. 1964; Schonfeldt, "GrenzflaMchenaktive Athylenoxidaddukte" [Surface-Active Ethylene Oxide Adducts], Wiss. Verlagsgesell., Stuttgart 1976; Winnacker-Kuchler, "Chemische Technologie" [Chemical Technology], Volume 7, C. Hauser Verlag Munich, 4th Ed. 1986.

Wettable powders are preparations which are uniformly dispersible in water and which, besides the active substance and a diluent or inert substance, also contain wetting agents, for example polyoxyethylated alkylphenols, polyoxethylated fatty alcohols, alkane- or alkylarylsulfonates and fatty alcohol polyglycol ether sulfates, and dispersing agents, for example sodium ligninsulfonates, sodium 2,2'-dinaphthylmethane-6,6'-disulfonate, sodium dibutylnaphthalinesulfonate, or else sodium oleylmethyltaurinate.

Emulsifiable concentrates can be prepared by dissolving the active substance in an organic solvent, for example cyclohexanone, xylene or else higher-boiling aromatics or hydrocarbons, with the addition of one or more emulsifiers. Emulsifiers which can be used are, for example: calcium salts of alkylarylsulfonic acids, such as calcium dodecylbenzenesulfonate, fatty alcohol polyglycol ether sulfates or non-ionic emulsifiers such as fatty acid polyglycol esters, alkylaryl polyglycol ethers, fatty alcohol polyglycol ethers, propylene oxide/ethylene oxide condensation products (for example block polymers), fatty alcohol/propylene oxide/ethylene oxide condensation products, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters or polyoxethylene sorbitol esters.

Dusts are obtained by grinding the active substance with finely divided solid substances, for example talc, natural clays, such as kaolin, bentonite and pyrophylite, or diatomaceous earths.

Granules such as granules for soil application or broadcasting, or water-dispersible granules, can be produced either by spraying the active substance onto adsorptive, granulated inert material or by applying active substance concentrates onto the surface of carriers such as sand, kaolinites or granulated inert material by means of binders, for example polyvinyl alcohol, sodium polyacrylate or alternatively mineral oils. Suitable active substances can also be granulated in the manner which is conventional for the production of fertilizer granules, if desired in a mixture with fertilizers.

Plate granules, fluidized-bed granules, extruded granules and spray granules can be produced by the customary processes; see, for example, processes in "Spray-Drying Handbook" 3rd ed. 1979, G. Goodwin Ltd., London; J. E. Browning, "Agglomeration", Chemical and Engineering 1967, pages 147 et seq.; "Perry's Chemical Engineer's Handbook", 5th Ed., McGraw-Hill, New York 1973, p. 8-57.

For further information on the formulation of crop protection agents see, for example, G. C. Klingman, "Weed Control as a Science", John Wiley and Sons, Inc., New York, 1961, pages 81-96 and J. D. Freyer, S. A. Evans, "Weed Control Handbook", 5th Ed., Blackwell Scientific Publications, Oxford, 1968, pages 101-103.

As a rule, the agrochemical preparations contain 0.1 to 99 percent by weight, in particular 0.1 to 95% by weight, of active substance of the formula (I).

In wettable powders, for example, the active substance concentration is approximately 10 to 90% by weight; the remainder to 100% is composed of customary formulation components. In the case of emulsifiable concentrates, the active substance concentration can be approximately 1 to 80, preferably 5 to 80, % by weight. Formulations in the form of dusts contain 1 to 30, preferably, in most cases, 5 to 20, % by weight of active substance, sprayable solutions approximately 0.2 to 25, preferably 2 to 20, % by weight of active substance. In the case of water-dispersible granules, the active substance content depends partly on whether the active compound is in solid or liquid form and on which granulation auxiliaries, fillers etc., are used.

In general, the content in the case of the water-dispersible granules is between 10 and 90% by weight.

In addition, the active substance formulations mentioned contain, if appropriate, the adhesives, wetting agents, dispersing agents, emulsifiers, penetrants, solvents, fillers or carriers which are conventional in each case.

Based on these formulations, it is also possible to prepare combinations with other pesticidally active substances, fertilizers and/or growth regulators, for example in the form of a readymix or a tank mix. Examples of active substances which can be used as components in the combinations with the active substances according to the invention are known active substances as are described, for example, in Weed Research 26, 441-445 (1986), or "The Pesticide Manual", 9th edition, The British Crop Protection Council, 1990/91, Bracknell, England, and in the literature cited therein. The following active substances may be mentioned, for example, as herbicides which are known from the literature and which can be combined with the compounds of the formula (I) (note: either the "common name" of the International Organization for Standardization (ISO) or the chemical name of the compounds is mentioned, if appropriate together with a customary code number): acetochlor; acifluorfen; aclonifen; AKH 7088, i.e. [[[1-[5-[2-chloro-4-(trifluoromethyl)-phenoxy]-2-nitrophenyl]-2-methoxyethylidene]-amino]-oxy]-acetic acid and methyl [[[1-[5-[2-chloro-4-(trifluoromethyl)-phenoxy]-2-nitrophenyl]-2-methoxyethylidene]-amino]-oxy]-acetate; alachlor; alloxydim; ametryn; amidosulfuron; amitrol; AMS, i.e. ammonium sulfamate; anilofos; asulam; atrazin; aziprotryn; barban; BAS 516 H, i.e. 5-fluoro-2-phenyl-4H-3,1-benzoxazin-4-one; benazolin; benfluralin; benfuresate; bensulfuron-methyl; bensulide; bentazone; benzofenap; benzofluor; benzoylprop-ethyl; benzthiazuron; bialaphos; bifenox; bromacil; bromobutide; bromofenoxim; bromoxynil; bromuron; buminafos; busoxinone; butachlor; butamifos; butenachlor; buthidazole; butralin; butylate; carbetamide; CDAA, i.e. 2-chloro-N,N-di-2-propenylacetamide; CDEC, i.e. 2-chloroallyl diethyldithiocarbamate; CGA 184927, i.e. 2-[4-[(5-chloro-3-fluoro-2-pyridinyl)oxy]phenoxy]propanoic acid and its 2-propynyl ester; chlomethoxyfen; chloramben; chlorazifop-butyl, pirifenopbutyl; chlorbromuron; chlorbufam; chlorfenac; chlorflurecol-methyl; chloridazon; chlorimuron ethyl; chlornitrofen; chlorotoluron; chloroxuron; chlorpropham; chlorsulfuron; chlorthal-dimethyl; chlorthiamid; cinmethylin; cinosulfuron; clethodim; clomazone; clomeprop; cloproxydim; clopyralid; cyanazine; cycloate; cycloxydim; cycluron; cyperquat; cyprazine; cyprazole; 2,4-DB; dalapon; desmediphan; desmetryne; di-allate; dicamba; dichlobenil; dichlorprop; diclofop-methyl; diethatyl; difenoxuron; difenzoquat; diflufenican; dimefuron; dimethachlor; dimethametryn; dimethazone, clomazon; dimethipin; dimetrasulfuron, cinosulfuron, dinitramine; dinoseb; dinoterb; dephenamid; dipropetryne; diquat; dithiopyr; diuron; DNOC; eglinazine-ethyl; EL 177, i.e. 5-cyano-1-(1,1-dimethylethyl)-N-methyl-3H-pyrazole-4-carboxamide; endothal; EPTC; esprocarb; ethalfluralin; ethametsulfuron-methyl; ethidimuron; ethiozine; ethofumesate; F5231, i.e. N-[2-chloro-4-fluoro-5-[4-(3-fluoropropyl)-4,5-dihydro-5-oxo-1H-tetrazol-1-yl]phenyl]ethanesulfonamide; F6285, i.e. 1-[5-(N-methylsulfonyl)amino-2,4-dichlorophenyl]-3-methyl-4-difluoromethyl-1,2,4-triazol-5-one; fenoprop; fenoxan, s. clomazon; fenoxaprop-ethyl; fenuron; flamprop-methyl; flazasulfuron; fluazifop and its ester derivatives; fluchloralin; flumetsulam; N-[2,6-difluorophenyl]-5-methyl-(1,2,4)-triazolo[1,5a]pyrimidine-2-sulfonamide; flumeturon; flumipropyn; fluorodifen; fluoroglycofen-ethyl; fluridone; flurochloridone; fluroxypyr; flurtamone; fomesafen; fosamine; furyloxyfen; glufosinate; glyphosate; halosafen; haloxyfop and its ester derivatives; hexazinone; Hw 52, i.e. N-(2,3-dichlorophenyl)-4-(ethoxymethoxy)benzamide; imazamethabenzmethyl; imazapyr; imazaquin; imazethamethapyr; imazethapyr; imazosulfuron; ioxynil, isocarbamide; isopropalin; isoproturon; isouron; isoxaben; isoxapyrifop; karbutilate; lactofen; lenacil; linuron; MCPA; MCPB; mecoprop; mefenacet; mefluidid, metamitrol; metazachlor; methabenzthiazuron; metham; methazole; methoxyphenone; methyldymron; metobromuron; metolachlor; metoxuron; metribuzin; metsulfuron-methyl; MH; molinate; monalide; monocarbamide dihydrogensulfate; monolinuron; monuron; MT 128, i.e. 6-chloro-N-(3-chloro-2-propenyl)-5-methyl-N-phenyl-3-pyridazinamine; MT 5950, i.e. N-[3-chloro-4-(1-methylethyl)-phenyl]-2-methylpentanamide; naproanilide; napropamide; naptalam; NC 310, i.e. 4-(2,4-dichlorobenzoyl)-1-methyl-5-benzyloxypyrazole; neburon; nicosulfuron; nipyraclophen; nittalin; nitrofen; nitrofluorfen; norflurazon; orbencarb; oryzalin; oxadiazon; oxyfluorfen; paraquat; pebulate; pendimethalin; perfluidone; phenmedipham; phenisopham; phenmedipham; picloram; piperophos; piributicarb; pirifenop-butyl; pretilachlor; primisulfuron-methyl; procyazine; prodiamine; profluralin; proglinazine-ethyl; prometon; prometryn; propachlor; propanil, propaquizafop and its ester derivatives; propazine; propham; propyzamide; prosulfalin; prosulfocarb; prynachlor; pyrazolinate; pyrazon; pyrazosulfuron-ethyl; pyrazoxyfen; pyridate; quinchlorac; quinmerac; quinofop and its ester derivatives, quizaolofop and its ester derivatives, quizalofop-ethyl; quizalofop-p-tefuryl; renriduron; dymron; S 275, i.e. 2-[4-chloro-2-fluoro-5-(2-propynyloxy)-phenyl]-4,5,6,7-tetrahydro-2H-indazole; S 482, i.e. 2-[7-fluoro-3,4-dihydro-3-oxo-4-(2-propynyl)-2H-1,4-benzoaxazin-6-yl]-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione; secbumeton; sethoxydim; siduron; simazine; simetryn; SN 106279, i.e. 2-[[7-[2-chloro-4-(trifluoro-methyl)-phenoxy]-2-naphthalenyl]-oxy]propanoic acid and its methyl ester; sulfometuron-methyl; sulfazuron; flazasulfuron; TCA; tebutam; tebuthiuron; terbacil; terbucarb; terbuchlor; terbumeton; terbuthylazine; terbutryn; TFH 450, i.e. N,N-diethyl-3-[(2-ethyl-6-methylphenyl)-sulfonyl]-1H-1,2,4-triazole-1-carboxamide; thiazafluron; thifensulfuron-methyl; thiobencarb; tiocarbazil; tralkoxydim; tri-allate; triasulfuron; triazofenamide; tribenuron-methyl; triclopyr; tridiphane; trietazine; trifluralin; trimeturon; vernolate; WL 110547, i.e. 5-phenoxy-1-[3-(trifluoromethyl)-phenyl]-1H-tetrazole.

For use, the formulations present in commercially available form are diluted, if appropriate, in a conventional manner, for example using water in the case of wettable powders, emulsifiable concentrates, dispersions and water-dispersible granules. Preparations in the form of dust and granules for soil application or broadcasting and also sprayable solutions are usually not diluted with other inert substances before use.

The application rate of the compounds of the formula (I) required varies with the external conditions, such as temperature, humidity, and the nature of the herbicide used, amongst other factors. It can vary within wide limits, for example between 0,005 and 10.0 kg/ha or more of active ingredient, but it is preferably between 0.01 and 5 kg/ha.

FORMULATION EXAMPLES

a) A dust is obtained by mixing 10 parts by weight of a compound of the formula (I) and 90 parts by weight of talc as inert substance, and comminuting the mixture in a hammer mill.

b) A wettable powder which is readily dispersible in water is obtained by mixing 25 parts by weight of a compound of the formula (I), 64 parts by weight of kaolin-containing quartz as inert substance, 10 parts by weight of potassium ligninsulfonate and 1 part by weight of sodium oleoylmethyltaurinate as wetting and dispersion agent, and grinding the mixture on a pinned-disk mill.

c) A dispersion concentrate which is readily dispersible in water is obtained by mixing 20 parts by weight of a compound of the formula (I) with 6 parts by weight of alkylphenol polyglycol ether (®Triton X 207), 3 parts by weight of isotridecanol polyglycol ether (8 EO) and 71 parts by weight of paraffinic mineral oil (boiling range for example approximately 255 to above 277° C.) and grinding the mixture in a ball mill to a fineness of below 5 microns.

d) An emulsifiable concentrate is obtained from 15 parts by weight of a compound of the formula (I), 75 parts by weight of cyclohexane as solvent and 10 parts by weight of oxethylated nonylphenol as emulsifier.

e) Water-dispersible granules are obtained by mixing

    ______________________________________                                         75 parts by weight                                                                           of a compound of the formula (I),                                10 parts by weight                                                                           of calcium ligninsulfonate,                                       5 parts by weight                                                                           of sodium lauryl sulfate,                                         3 parts by weight                                                                           of polyvinyl alcohol and                                          7 parts by weight                                                                           of kaolin,                                                       ______________________________________                                    

grinding the mixture in a pinned-disk mill and granulating the powder in a fluidized bed by spraying on water as granulation liquid.

f) Water-dispersible granules are also obtained by homogenizing and precomminuting

    ______________________________________                                         25 parts by weight                                                                           of a compound of the formula (I),                                 5 parts by weight                                                                           of sodium 2,2'-dinaphthylmethane-                                              6,6'-disulfonate,                                                 2 parts by weight                                                                           of sodium oleoylmethyltaurinate,                                  1 part by weight                                                                            of polyvinyl alcohol,                                            17 parts by weight                                                                           of calcium carbonate and                                         50 parts by weight                                                                           of water                                                         ______________________________________                                    

in a colloid mill, subsequently grinding the mixture in a bead mill and atomizing and drying the resulting suspension in a spray tower by means ofa single-substance nozzle.

CHEMICAL EXAMPLES

(Benzyloxycarbonyl)methyl 2-(4,6-dimethoxypyrimidinyl-2-oxy)-3-methylbutanoate (Ex. 61)

0.91 g (15.6 mmol) of potassium fluoride is added with stirring at room temperature to a solution of 4 g (15.6 mmol) of 2-(4,6-dimethoxypyrimidinyl-2-oxy)-3-methylbutanoic acid and 3.58 g (15.6 mmol) of benzyl bromoacetate in 25 ml of dimethylformamide. After stirringat 90° C. for 10 hours, the reaction solution is poured into ice-water and the mixture is extracted with ethyl acetate. Evaporation on a rotary evaporator yields 5.19 g of the title compound (Ex. 61) in the form of a colorless oil.

(Trimethylsilyl)methyl 2-(4,6-dimethoxypyrimidinyl-2-oxy)-3-methylbutanoate(Ex. 391)

2.41 g (11.7 mmol) of dicyclohexylcarbodiimide are added dropwise with stirring at 20° C. to a solution of 3 g (11.7 mmol) of 2-(4,6-dimethoxypyrimidinyl-2-oxy)-3-methylbutanoic acid, 1.22 g (11.7 mmol) of trimethylsilylmethanol and 0.05 g of 4-dimethylaminopyridine in 25 ml of CH₂ Cl₂. After stirring at room temperature for 12 hours followed by column filtration, 2.9 g of the title compound (Ex. 391)are obtained in the form of a colorless oil.

The remaining compounds of Table I below are obtained analogously to the above-described examples and process variants.

                                      TABLE I                                      __________________________________________________________________________     Compounds of the formula Ia                                                     ##STR22##                                (Ia)"                                 ##STR23##                                (Ia)                                 Ex.                                       m.p.(°C.)                     No.                                                                               R.sup.1                                                                             R.sup.2                                                                            X Y  R.sup.3                                                                              R.sup.4            or [n].sub.D.sup.20                  __________________________________________________________________________     1  OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COOCH.sub.2 CHCH.sub.2                                                                  52                                   2  Cl   "   " "  "     "                                                       3  CH.sub.3                                                                            "   " "  "     "                                                       4  NHCH.sub.3                                                                          "   " "  "     "                                                       5  OCH.sub.3                                                                           "   S "  "     "                                                       6  Cl   "   " "  "     "                                                       7  CH.sub.3                                                                            "   " "  "     "                                                       8  NHCH.sub.3                                                                          "   " "  "     "                                                       9  OCH.sub.3                                                                           "   " N  "     "                                                       10  "   "   O "  "     "                                                       11  "   "   " CH t-C.sub.4 H.sub.9                                                                    "                                                       12 Cl   "   " "  "     "                                                       13 CH.sub.3                                                                            "   " "  "     "                                                       14 NHCH.sub.3                                                                          "   " "  "     "                                                       15 OCH.sub.3                                                                           "   " "  "     "                                                       16 Cl   "   " "  "     "                                                       17 CH.sub.3                                                                            "   " "  "     "                                                       18 NHCH.sub.3                                                                          "   " "  "     "                                                       19 OCH.sub.3                                                                           "   " N  "     "                                                       20 "    "   O "  "     "                                                       21 "    "   " CH cyclopentyl                                                                          "                  56-57                                22 Cl   "   " "  "     "                                                       23 CH.sub.3                                                                            "   " "  "     "                                                       24 NHCH.sub.3                                                                          "   " "  "     "                                                       25 OCH.sub.3                                                                           "   S "  "     "                                                       26 Cl   "   " "  "     "                                                       27 CH.sub.3                                                                            "   " "  "     "                                                       28 NHCH.sub.3                                                                          "   " "  "     "                                                       29 OCH.sub.3                                                                           "   " N  "     "                                                       30  "   "   O "  "     "                                                       31 OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COOCH.sub.2 CCH                                                                         98                                   32 Cl   "   " "  "     "                                                       33 CH.sub.3                                                                            "   " "  "     "                                                       34 NHCH.sub.3                                                                          "   " "  "     "                                                       35 OCH.sub.3                                                                           "   S "  "     "                                                       36 Cl   "   " "  "     "                                                       37 CH.sub.3                                                                            "   " "  "     "                                                       38 NHCH.sub.3                                                                          "   " "  "     "                                                       39 OCH.sub.3                                                                           "   " N  "     "                                                       40  "   "   O "  "     "                                                       41  "   "   " "  t-C.sub.4 H.sub.9                                                                    "                                                       42 Cl   "   " "  "     "                                                       43 CH.sub.3                                                                            "   " "  "     "                                                       44 NHCH.sub.3                                                                          "   " "  "     "                                                       45 OCH.sub.3                                                                           "   " "  "     "                                                       46 Cl   "   " "  "     "                                                       47 CH.sub.3                                                                            "   " "  "     "                                                       48 NHCH.sub.3                                                                          "   " "  "     "                                                       49 OCH.sub.3                                                                           "   " N  "     "                                                       50  "   "   O "  "     "                                                       51  "   "   " CH cyclopentyl                                                                          "                  81-82                                52 Cl   "   " "  "     "                                                       53 CH.sub.3                                                                            "   " "  "     "                                                       54 NHCH.sub.3                                                                          "   " "  "     "                                                       55 OCH.sub.3                                                                           "   S "  "     "                                                       56 Cl   "   " "  "     "                                                       57 CH.sub.3                                                                            "   " "  "     "                                                       58 NHCH.sub.3                                                                          "   " "  "     "                                                       59 OCH.sub.3                                                                           "   " N  "     "                                                       60  "   "   O "  "     "                                                       61 OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COOCH.sub.2 Ph                                                                          oil                                  62 Cl   "   " "  "     "                                                       63 CH.sub.3                                                                            "   " "  "     "                                                       64 NHCH.sub.3                                                                          "   " "  "     "                                                       65 OCH.sub.3                                                                           "   S "  "     "                                                       66 Cl   "   " "  "     "                                                       67 CH.sub.3                                                                            "   " "  "     "                                                       68 NHCH.sub.3                                                                          "   " "  "     "                                                       69 OCH.sub.3                                                                           "   " N  "     "                                                       70  "   "   O "  "     "                                                       71  "   "   " "  t-Bu  "                                                       72 Cl   "   " "  "     "                                                       73 CH.sub.3                                                                            "   " "  "     "                                                       74 NHCH.sub.3                                                                          "   " "  "     "                                                       75 OCH.sub.3                                                                           "   " "  "     "                                                       76 Cl   "   " "  "     "                                                       77 CH.sub.3                                                                            "   " "  "     "                                                       78 NHCH.sub.3                                                                          "   " "  "     "                                                       79 OCH.sub.3                                                                           "   " N  "     "                                                       80  "   "   O "  "     "                                                       81  "   "   " CH cyclopentyl                                                                          "                  66-68                                82 Cl   "   " "  "     "                                                       83 CH.sub.3                                                                            "   " "  "     "                                                       84 NHCH.sub.3                                                                          "   " "  "     "                                                       85 OCH.sub.3                                                                           "   S "  "     "                                                       86 Cl   "   " "  "     "                                                       87 CH.sub.3                                                                            "   " "  "     "                                                       88 NHCH.sub.3                                                                          "   " "  "     "                                                       89 OCH.sub.3                                                                           "   " N  "     "                                                       90  "   "   O "  "     "                                                       91 OCH.sub.3                                                                           OCH.sub. 3                                                                         O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COSCH.sub.3                                   92 Cl   "   " "  "     "                                                       93 CH.sub.3                                                                            "   " "  "     "                                                       94 NHCH.sub.3                                                                          "   " "  "     "                                                       95 OCH.sub.3                                                                           "   S "  "     "                                                       96 Cl   "   " "  "     "                                                       97 CH.sub.3                                                                            "   " "  "     "                                                       98 NHCH.sub.3                                                                          "   " "  "     "                                                       99 OCH.sub.3                                                                           "   " N  "     "                                                       100                                                                                "   "   O "  "     "                                                       101                                                                                "   "   " "  t-Bu  "                                                       102                                                                               Cl   "   " "  "     "                                                       103                                                                               CH.sub.3                                                                            "   " "  "     "                                                       104                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       105                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       106                                                                               Cl   "   " "  "     "                                                       107                                                                               CH.sub.3                                                                            "   " "  "     "                                                       108                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       109                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       110                                                                                "   "   O "  "     "                                                       111                                                                                "   "   " CH cyclopentyl                                                                          "                                                       112                                                                               Cl   "   " "  "     "                                                       113                                                                               CH.sub.3                                                                            "   " "  "     "                                                       114                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       115                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       116                                                                               Cl   "   " "  "     "                                                       117                                                                               CH.sub.3                                                                            "   " "  "     "                                                       118                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       119                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       120                                                                                "   "   O "  "     "                                                       121                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COSC.sub.2 H.sub.5                            122                                                                               Cl   "   " "  "     "                                                       123                                                                               CH.sub.3                                                                            "   " "  "     "                                                       124                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       125                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       126                                                                               Cl   "   " "  "     "                                                       127                                                                               CH.sub.3                                                                            "   " "  "     "                                                       128                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       129                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       130                                                                                "   "   O "  "     "                                                       131                                                                                "   "   " "  t-Bu  "                                                       132                                                                               Cl   "   " "  "     "                                                       133                                                                               CH.sub.3                                                                            "   " "  "     "                                                       134                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       135                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       136                                                                               Cl   "   " "  "     "                                                       137                                                                               CH.sub.3                                                                            "   " "  "     "                                                       138                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       139                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       140                                                                                "   "   O "  "     "                                                       141                                                                                "   "   " CH cyclopentyl                                                                          "                                                       142                                                                               Cl   "   " "  "     "                                                       143                                                                               CH.sub.3                                                                            "   " "  "     "                                                       144                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       145                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       146                                                                               Cl   "   " "  "     "                                                       147                                                                               CH.sub.3                                                                            "   " "  "     "                                                       148                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       149                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       150                                                                                "   "   O "  "     "                                                       151                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COSCH.sub.2 Ph                                152                                                                               Cl   "   " "  "     "                                                       153                                                                               CH.sub.3                                                                            "   " "  "     "                                                       154                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       155                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       156                                                                               Cl   "   " "  "     "                                                       157                                                                               CH.sub.3                                                                            "   " "  "     "                                                       158                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       159                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       160                                                                                "   "   O "  "     "                                                       161                                                                                "   "   " "  t-Bu  "                                                       162                                                                               Cl   "   " "  "     "                                                       163                                                                               CH.sub.3                                                                            "   " "  "     "                                                       164                                                                               NHCH.sub. 3                                                                         "   " "  "     "                                                       165                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       166                                                                               Cl   "   " "  "     "                                                       167                                                                               CH.sub.3                                                                            "   " "  "     "                                                       168                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       169                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       170                                                                                "   "   O "  "     "                                                       171                                                                                "   "   " CH cyclopentyl                                                                          "                                                       172                                                                               Cl   "   " "  "     "                                                       173                                                                               CH.sub.3                                                                            "   " "  "     "                                                       174                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       175                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       176                                                                               Cl   "   " "  "     "                                                       177                                                                               CH.sub.3                                                                            "   " "  "     "                                                       178                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       179                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       180                                                                                "   "   O "  "     "                                                       181                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.3)COOCH.sub.2 CHCH.sub.2                     182                                                                               Cl   "   " "  "     "                                                       183                                                                               CH.sub.3                                                                            "   " "  "     "                                                       184                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       185                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       186                                                                               Cl   "   " "  "     "                                                       187                                                                               CH.sub.3                                                                            "   " "  "     "                                                       188                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       189                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       190                                                                                "   "   O "  "     "                                                       191                                                                                "   "   " "  t-C.sub.4 H.sub.9                                                                    "                                                       192                                                                               Cl   "   " "  "     "                                                       193                                                                               CH.sub.3                                                                            "   " "  "     "                                                       194                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       195                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       196                                                                               Cl   "   " "  "     "                                                       197                                                                               CH.sub.3                                                                            "   " "  "     "                                                       198                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       199                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       200                                                                                "   "   O "  "     "                                                       201                                                                                "   "   " CH cyclopentyl                                                                          "                  62-64                                202                                                                               Cl   "   " "  "     "                                                       203                                                                               CH.sub.3                                                                            "   " "  "     "                                                       204                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       205                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       206                                                                               Cl   "   " "  "     "                                                       207                                                                               CH.sub.3                                                                            "   " "  "     "                                                       208                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       209                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       210                                                                                "   "   O "  "     "                                                       211                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.3)COOCH.sub.2 CCH                                                                      85                                   212                                                                               Cl   "   " "  "     "                                                       213                                                                               CH.sub.3                                                                            "   " "  "     "                                                       214                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       215                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       216                                                                               Cl   "   " "  "     "                                                       217                                                                               CH.sub.3                                                                            "   " "  "     "                                                       218                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       219                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       220                                                                                "   "   O "  "     "                                                       221                                                                                "   "   " "  t-Bu  "                                                       222                                                                               Cl   "   " "  "     "                                                       223                                                                               CH.sub.3                                                                            "   " "  "     "                                                       224                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       225                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       226                                                                               Cl   "   " "  "     "                                                       227                                                                               CH.sub.3                                                                            "   " "  "     "                                                       228                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       229                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       230                                                                                "   "   O "  "     "                                                       231                                                                                "   "   " CH cyclopentyl                                                                          "                  oil                                  232                                                                               Cl   "   " "  "     "                                                       233                                                                               CH.sub.3                                                                            "   " "  "     "                                                       234                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       235                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       236                                                                               Cl   "   " "  "     "                                                       237                                                                               CH.sub.3                                                                            "   " "  "     "                                                       238                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       239                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       240                                                                                "   "   O "  "     "                                                       241                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.3)COOCH.sub.2 Ph                             242                                                                               Cl   "   " "  "     "                                                       243                                                                               CH.sub.3                                                                            "   " "  "     "                                                       244                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       245                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       246                                                                               Cl   "   " "  "     "                                                       247                                                                               CH.sub.3                                                                            "   " "  "     "                                                       248                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       249                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       250                                                                                "   "   O "  "     "                                                       251                                                                                "   "   " "  t-Bu  "                                                       252                                                                               Cl   "   " "  "     "                                                       253                                                                               CH.sub.3                                                                            "   " "  "     "                                                       254                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       255                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       256                                                                               Cl   "   " "  "     "                                                       257                                                                               CH.sub.3                                                                            "   " "  "     "                                                       258                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       259                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       260                                                                                "   "   O "  "     "                                                       261                                                                                "   "   " CH cyclopentyl                                                                          "                                                       262                                                                               Cl   "   " "  "     "                                                       263                                                                               CH.sub.3                                                                            "   " "  "     "                                                       264                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       265                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       266                                                                               Cl   "   " "  "     "                                                       267                                                                               CH.sub.3                                                                            "   " "  "     "                                                       268                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       269                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       270                                                                                "   "   O "  "     "                                                       271                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.3)COSCH.sub.3                                272                                                                               Cl   "   " "  "     "                                                       273                                                                               CH.sub.3                                                                            "   " "  "     "                                                       274                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       275                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       276                                                                               Cl   "   " "  "     "                                                       277                                                                               CH.sub.3                                                                            "   " "  "     "                                                       278                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       279                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       280                                                                                "   "   O "  "     "                                                       281                                                                                "   "   " "  t-Bu  "                                                       282                                                                               Cl   "   " "  "     "                                                       283                                                                               CH.sub.3                                                                            "   " "  "     "                                                       284                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       285                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       286                                                                               Cl   "   " "  "     "                                                       287                                                                               CH.sub.3                                                                            "   " "  "     "                                                       288                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       289                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       290                                                                                "   "   O "  "     "                                                       291                                                                                "   "   " CH cyclopentyl                                                                          "                                                       292                                                                               Cl   "   " "  "     "                                                       293                                                                               CH.sub.3                                                                            "   " "  "     "                                                       294                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       295                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       296                                                                               Cl   "   " "  "     "                                                       297                                                                               CH.sub.3                                                                            "   " "  "     "                                                       298                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       299                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       300                                                                                "   "   O "  "     "                                                       301                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.3)COSC.sub.2 H.sub.5                         302                                                                               Cl   "   " "  "     "                                                       303                                                                               CH.sub.3                                                                            "   " "  "     "                                                       304                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       305                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       306                                                                               Cl   "   " "  "     "                                                       307                                                                               CH.sub.3                                                                            "   " "  "     "                                                       308                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       309                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       310                                                                                "   "   O "  "     "                                                       311                                                                                "   "   " "  t-Bu  "                                                       312                                                                               Cl   "   " "  "     "                                                       313                                                                               CH.sub.3                                                                            "   " "  "     "                                                       314                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       315                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       316                                                                               Cl   "   " "  "     "                                                       317                                                                               CH.sub.3                                                                            "   " "  "     "                                                       318                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       319                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       320                                                                                "   "   O "  "     "                                                       321                                                                                "   "   " CH cyclopentyl                                                                          "                                                       322                                                                               Cl   "   " "  "     "                                                       323                                                                               CH.sub.3                                                                            "   " "  "     "                                                       324                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       325                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       326                                                                               Cl   "   " "  "     "                                                       327                                                                               CH.sub.3                                                                            "   " "  "     "                                                       328                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       329                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       330                                                                                "   "   O "  "     "                                                       331                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.2)COSCH.sub.2 Ph                             332                                                                               Cl   "   " "  "     "                                                       333                                                                               CH.sub.3                                                                            "   " "  "     "                                                       334                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       335                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       336                                                                               Cl   "   " "  "     "                                                       337                                                                               CH.sub.3                                                                            "   " "  "     "                                                       338                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       339                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       340                                                                                "   "   O "  "     "                                                       341                                                                                "   "   " "  t-Bu  "                                                       342                                                                               Cl   "   " "  "     "                                                       343                                                                               CH.sub.3                                                                            "   " "  "     "                                                       344                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       345                                                                               OCH.sub.3                                                                           "   " "  "     "                  "                                    346                                                                               Cl   "   " "  "     "                                                       347                                                                               CH.sub.3                                                                            "   " "  "     "                                                       348                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       349                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       350                                                                                "   "   O "  "     "                                                       351                                                                                "   "   " CH cyclopentyl                                                                          "                                                       352                                                                               Cl   "   " "  "     "                                                       353                                                                               CH.sub.3                                                                            "   " "  "     "                                                       354                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       355                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       356                                                                               Cl   "   " "  "     "                                                       357                                                                               CH.sub.3                                                                            "   " "  "     "                                                       358                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       359                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       360                                                                                "   "   O "  "     "                                                       361                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                     ##STR24##         131                                  362                                                                               Cl   "   " "  "     "                                                       363                                                                               CH.sub.3                                                                            "   " "  "     "                                                       364                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       365                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       366                                                                               Cl   "   " "  "     "                                                       367                                                                               CH.sub.3                                                                            "   " "  "     "                                                       368                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       369                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       370                                                                                "   "   O "  "     "                                                       371                                                                                "   "   " "  t-Bu  "                                                       372                                                                               Cl   "   " "  "     "                                                       373                                                                               CH.sub.3                                                                            "   " "  "     "                                                       374                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       375                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       376                                                                               Cl   "   " "  "     "                                                       377                                                                               CH.sub.3                                                                            "   " "  "     "                                                       378                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       379                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       380                                                                                "   "   O "  "     "                                                       381                                                                                "   "   " CH cyclopentyl                                                                          "                                                       382                                                                               Cl   "   " "  "     "                                                       383                                                                               CH.sub.3                                                                            "   " "  "     "                                                       384                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       385                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       386                                                                               Cl   "   " "  "                                                             387                                                                               CH.sub.3                                                                            "   " "  "     "                                                       388                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       389                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       390                                                                                "   "   O "  "     "                                                       391                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 Si(CH.sub.3).sub.3                                                                      oil                                  392                                                                               Cl   "   " "  "     "                                                       393                                                                               CH.sub.3                                                                            "   " "  "     "                                                       394                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       395                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       396                                                                               Cl   "   " "  "     "                                                       397                                                                               CH.sub.3                                                                            "   " "  "     "                                                       398                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       399                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       400                                                                                "   "   O "  "     "                                                       401                                                                                "   "   " "  t-Bu  "                                                       402                                                                               Cl   "   " "  "     "                                                       403                                                                               CH.sub.3                                                                            "   " "  "     "                                                       404                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       405                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       406                                                                               Cl   "   " "  "     "                                                       407                                                                               CH.sub.3                                                                            "   " "  "     "                                                       408                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       409                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       410                                                                                "   "   O "  "     "                  "                                    411                                                                                "   "   " CH cyclopentyl                                                                          "                                                       412                                                                               Cl   "   " "  "     "                                                       413                                                                               CH.sub.3                                                                            "   " "  "     "                                                       414                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       415                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       416                                                                               Cl   "   " "  "     "                                                       417                                                                               CH.sub.3                                                                            "   " "  "     "                                                       418                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       419                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       420                                                                                "   "   O "  "     "                  "                                    421                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    pyrid-2-ylmethoxy                                       422                                                                               Cl   "   " "  "     "                                                       423                                                                               CH.sub.3                                                                            "   " "  "     "                                                       424                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       425                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       426                                                                               Cl   "   " "  "     "                                                       427                                                                               CH.sub.3                                                                            "   " "  "     "                                                       428                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       429                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       430                                                                                "   "   O "  "     "                                                       431                                                                                "   "   " "  t-Bu  "                                                       432                                                                               Cl   "   " "  "     "                                                       433                                                                               CH.sub.3                                                                            "   " "  "     "                                                       434                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       435                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       436                                                                               Cl   "   " "  "     "                                                       437                                                                               CH.sub.3                                                                            "   " "  "     "                                                       438                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       439                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       440                                                                                "   "   O "  "     "                                                       441                                                                                "   "   " CH cyclopentyl                                                                          "                  88-90                                442                                                                               Cl   "   " "  "     "                                                       443                                                                               CH.sub.3                                                                            "   " "  "     "                                                       444                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       445                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       446                                                                               Cl   "   " "  "     "                                                       447                                                                               CH.sub.3                                                                            "   " "  "     "                                                       448                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       449                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       450                                                                                "   "   O "  "     "                                                       451                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    pyrid-3-ylmethoxy                                       452                                                                               Cl   "   " "  "     "                                                       453                                                                               CH.sub.3                                                                            "   " "  "     "                                                       454                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       455                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       456                                                                               Cl   "   " "  "     "                                                       457                                                                               CH.sub.3                                                                            "   " "  "     "                                                       458                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       459                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       460                                                                                "   "   O "  "     "                                                       461                                                                                "   "   " "  t-Bu  "                                                       462                                                                               Cl   "   " "  "     "                                                       463                                                                               CH.sub.3                                                                            "   " "  "     "                                                       464                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       465                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       466                                                                               Cl   "   " "  "     "                                                       467                                                                               CH.sub.3                                                                            "   " "  "     "                                                       468                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       469                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       470                                                                                "   "   O "  "     "                                                       471                                                                                "   "   " CH cyclopentyl                                                                          "                                                       472                                                                               Cl   "   " "  "     "                                                       473                                                                               CH.sub.3                                                                            "   " "  "     "                                                       474                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       475                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       476                                                                               Cl   "   " "  "     "                                                       477                                                                               CH.sub.3                                                                            "   " "  "     "                                                       478                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       479                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       480                                                                                "   "   O "  "     "                                                       481                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 P(O)(CH.sub.3).sub.2                          482                                                                               Cl   "   " "  "     "                                                       483                                                                               CH.sub.3                                                                            "   " "  "     "                                                       484                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       485                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       486                                                                               Cl   "   " "  "     "                                                       487                                                                               CH.sub.3                                                                            "   " "  "     "                                                       488                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       489                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       490                                                                                "   "   O "  "     "                                                       491                                                                                "   "   " "  t-Bu  "                                                       492                                                                               Cl   "   " "  "     "                                                       493                                                                               CH.sub.3                                                                            "   " "  "     "                                                       494                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       495                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       496                                                                               Cl   "   " "  "     "                                                       497                                                                               CH.sub.3                                                                            "   " "  "     "                                                       498                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       499                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       500                                                                                "   "   O "  "     "                                                       501                                                                                "   "   " CH cyclopentyl                                                                          "                  oil                                  502                                                                               Cl   "   " "  "     "                                                       503                                                                               CH.sub.3                                                                            "   " "  "     "                                                       504                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       505                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       506                                                                               Cl   "   " "  "     "                                                       507                                                                               CH.sub.3                                                                            "   " "  "     "                                                       508                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       509                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       510                                                                                "   "   O "  "     "                                                       511                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub. 3 H.sub.7                                                                   OSi(CH.sub.3).sub.2 (t-Bu)                                                                        oil                                  512                                                                               Cl   "   " "  "     "                                                       513                                                                               CH.sub.3                                                                            "   " "  "     "                                                       514                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       515                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       516                                                                               Cl   "   " "  "     "                                                       517                                                                               CH.sub.3                                                                            "   " "  "     "                                                       518                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       519                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       520                                                                                "   "   O "  "     "                                                       521                                                                                "   "   " "  t-Bu  "                                                       522                                                                               Cl   "   " "  "     "                                                       523                                                                               CH.sub.3                                                                            "   " "  "     "                                                       524                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       525                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       526                                                                               Cl   "   " "  "     "                                                       527                                                                               CH.sub.3                                                                            "   " "  "     "                                                       528                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       529                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       530                                                                                "   "   O "  "     "                                                       531                                                                                "   "   " CH cyclopentyl                                                                          "                                                       532                                                                               Cl   "   " "  "     "                                                       533                                                                               CH.sub.3                                                                            "   " "  "     "                                                       534                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       535                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       536                                                                               Cl   "   " "  "     "                                                       537                                                                               CH.sub.3                                                                            "   " "  "     "                                                       538                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       539                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       540                                                                                "   "   O "  "     "                                                       541                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OSi(i-Pr).sub.3    1.4800                               542                                                                               Cl   "   " "  "     "                                                       543                                                                               CH.sub.3                                                                            "   " "  "     "                                                       544                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       545                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       546                                                                               Cl   "   " "  "     "                                                       547                                                                               CH.sub.3                                                                            "   " "  "     "                                                       548                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       549                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       550                                                                                "   "   O "  "     "                                                       551                                                                                "   "   " "  t-Bu  "                                                       552                                                                               Cl   "   " "  "     "                                                       553                                                                               CH.sub.3                                                                            "   " "  "     "                                                       554                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       555                                                                               OCH.sub. 3                                                                          "   " "  "     "                                                       556                                                                               Cl   "   " "  "     "                                                       557                                                                               CH.sub.3                                                                            "   " "  "     "                                                       558                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       559                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       560                                                                                "   "   O "  "     "                                                       561                                                                                "   "   " CH cyclopentyl                                                                          "                                                       562                                                                               Cl   "   " "  "     "                                                       563                                                                               CH.sub.3                                                                            "   " "  "     "                                                       564                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       565                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       566                                                                               Cl   "   " "  "     "                                                       567                                                                               CH.sub.3                                                                            "   " "  "     "                                                       568                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       569                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       570                                                                                "   "   O "  "     "                                                       571                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 C(OCH.sub.3)CHCOOCH.sub.3                                                               77-78                                572                                                                               Cl   "   " "  "     "                                                       573                                                                               CH.sub.3                                                                            "   " "  "     "                                                       574                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       575                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       576                                                                               Cl   "   " "  "     "                                                       577                                                                               CH.sub.3                                                                            "   " "  "     "                                                       578                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       579                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       580                                                                                "   "   O "  "     "                                                       581                                                                                "   "   " "  t-Bu  "                                                       582                                                                               Cl   "   " "  "     "                                                       583                                                                               CH.sub.3                                                                            "   " "  "     "                                                       584                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       585                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       586                                                                               Cl   "   " "  "     "                                                       587                                                                               CH.sub.3                                                                            "   " "  "     "                                                       588                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       589                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       590                                                                                "   "   O "  "     "                                                       591                                                                                "   "   " CH cyclopentyl                                                                          "                  72-74                                592                                                                               Cl   "   " "  "     "                                                       593                                                                               CH.sub.3                                                                            "   " "  "     "                                                       594                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       595                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       596                                                                               Cl   "   " "  "     "                                                       597                                                                               CH.sub.3                                                                            "   " "  "     "                                                       598                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       599                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       600                                                                                "   "   O "  "     "                                                       601                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COOCH.sub.2 COOCH.sub.3                                                                 oil                                  602                                                                               Cl   "   " "  "     "                                                       603                                                                               CH.sub.3                                                                            "   " "  "     "                                                       604                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       605                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       606                                                                               Cl   "   " "  "     "                                                       607                                                                               CH.sub.3                                                                            "   " "  "     "                                                       608                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       609                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       610                                                                                "   "   O "  "     "                                                       611                                                                                "   "   " "  t-Bu  "                                                       612                                                                               Cl   "   " "  "     "                                                       613                                                                               CH.sub.3                                                                            "   " "  "     "                                                       614                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       615                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       616                                                                               Cl   "   " "  "     "                                                       617                                                                               CH.sub.3                                                                            "   " "  "     "                                                       618                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       619                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       620                                                                                "   "   O "  "     "                                                       621                                                                                "   "   " CH cyclopentyl                                                                          "                  72-74                                622                                                                               Cl   "   " "  "     "                                                       623                                                                               CH.sub.3                                                                            "   " "  "     "                                                       624                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       625                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       626                                                                               Cl   "   " "  "     "                                                       627                                                                               CH.sub.3                                                                            "   " "  "     "                                                       628                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       629                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       630                                                                                "   "   O "  "     "                                                       631                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 SO.sub.2 CH.sub.3                                                                       108-110                              632                                                                               Cl   "   " "  "     "                                                       633                                                                               CH.sub.3                                                                            "   " "  "     "                                                       634                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       635                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       636                                                                               Cl   "   " "  "     "                                                       637                                                                               CH.sub.3                                                                            "   " "  "     "                                                       638                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       639                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       640                                                                                "   "   O "  "     "                                                       641                                                                                "   "   " "  t-Bu  "                                                       642                                                                               Cl   "   " "  "     "                                                       643                                                                               CH.sub.3                                                                            "   " "  "     "                                                       644                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       645                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       646                                                                               Cl   "   " "  "     "                                                       647                                                                               CH.sub.3                                                                            "   " "  "     "                                                       648                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       649                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       650                                                                                "   "   O "  "     "                                                       651                                                                                "   "   " CH cyclopentyl                                                                          "                                                       652                                                                               Cl   "   " "  "     "                                                       653                                                                               CH.sub.3                                                                            "   " "  "     "                                                       654                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       655                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       656                                                                               Cl   "   " "  "     "                                                       657                                                                               CH.sub.3                                                                            "   " "  "     "                                                       658                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       659                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       660                                                                                "   "   O "  "     "                                                       661                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 S(O)CH.sub.2 CH.sub.3                         662                                                                               Cl   "   " "  "     "                                                       663                                                                               CH.sub.3                                                                            "   " "  "     "                                                       664                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       665                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       666                                                                               Cl   "   " "  "     "                                                       667                                                                               CH.sub.3                                                                            "   " "  "     "                                                       668                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       669                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       670                                                                                "   "   O "  "     "                                                       671                                                                                "   "   " "  t-Bu  "                                                       672                                                                               Cl   "   " "  "     "                                                       673                                                                               CH.sub.3                                                                            "   " "  "     "                                                       674                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       675                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       676                                                                               Cl   "   " "  "     "                                                       677                                                                               CH.sub.3                                                                            "   " "  "     "                                                       678                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       679                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       680                                                                                "   "   O "  "     "                                                       681                                                                                "   "   " CH cyclopentyl                                                                          "                                                       682                                                                               Cl   "   " "  "     "                                                       683                                                                               CH.sub.3                                                                            "   " "  "     "                                                       684                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       685                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       686                                                                               Cl   "   " "  "     "                                                       687                                                                               CH.sub.3                                                                            "   " "  "     "                                                       688                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       689                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       690                                                                                "   "   O "  "     "                                                       691                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 SOCH.sub.3                                                                              76-78                                692                                                                               Cl   "   " "  "     "                                                       693                                                                               CH.sub.3                                                                            "   " "  "     "                                                       694                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       695                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       696                                                                               Cl   "   " "  "     "                                                       697                                                                               CH.sub.3                                                                            "   " "  "     "                                                       698                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       699                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       700                                                                                "   "   O "  "     "                                                       701                                                                                "   "   " "  t-Bu  "                                                       702                                                                               Cl   "   " "  "     "                                                       703                                                                               CH.sub.3                                                                            "   " "  "     "                                                       704                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       705                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       706                                                                               Cl   "   " "  "     "                                                       707                                                                               CH.sub.3                                                                            "   " "  "     "                                                       708                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       709                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       710                                                                                "   "   O "  "     "                                                       711                                                                                "   "   " CH cyclopentyl                                                                          "                                                       712                                                                               Cl   "   " "  "     "                                                       713                                                                               CH.sub.3                                                                            "   " "  "     "                                                       714                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       715                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       716                                                                               Cl   "   " "  "     "                                                       717                                                                               CH.sub.3                                                                            "   " "  "     "                                                       718                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       719                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       720                                                                                "   "   O "  "     "                                                       721                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 SO.sub.2 C.sub.2 H.sub.5                      722                                                                               Cl   "   " "  "     "                                                       723                                                                               CH.sub.3                                                                            "   " "  "     "                                                       724                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       725                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       726                                                                               Cl   "   " "  "     "                                                       727                                                                               CH.sub.3                                                                            "   " "  "     "                                                       728                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       729                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       730                                                                                "   "   O "  "     "                                                       731                                                                                "   "   " "  t-Bu  "                                                       732                                                                               Cl   "   " "  "     "                                                       733                                                                               CH.sub.3                                                                            "   " "  "     "                                                       734                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       735                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       736                                                                               Cl   "   " "  "     "                                                       737                                                                               CH.sub.3                                                                            "   " "  "     "                                                       738                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       739                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       740                                                                                "   "   O "  "     "                                                       741                                                                                "   "   " CH cyclopentyl                                                                          "                                                       742                                                                               Cl   "   " "  "     "                                                       743                                                                               CH.sub.3                                                                            "   " "  "     "                                                       744                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       745                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       746                                                                               Cl   "   " "  "     "                                                       747                                                                               CH.sub.3                                                                            "   " "  "     "                                                       748                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       749                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       750                                                                                "   "   O "  "     "                                                       751                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 CH.sub.2 SO.sub.2 C.sub.2 H.sub.5             752                                                                               Cl   "   " "  "     "                                                       753                                                                               CH.sub.3                                                                            "   " "  "     "                                                       754                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       755                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       756                                                                               Cl   "   " "  "     "                                                       757                                                                               CH.sub.3                                                                            "   " "  "     "                                                       758                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       759                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       760                                                                                "   "   O "  "     "                                                       761                                                                                "   "   " "  t-Bu  "                                                       762                                                                               Cl   "   " "  "     "                                                       763                                                                               CH.sub.3                                                                            "   " "  "     "                                                       764                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       765                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       766                                                                               Cl   "   " "  "     "                                                       767                                                                               CH.sub.3                                                                            "   " "  "     "                                                       768                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       769                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       770                                                                                "   "   O "  "     "                                                       771                                                                                "   "   " CH cyclopentyl                                                                          "                                                       772                                                                               Cl   "   " "  "     "                                                       773                                                                               CH.sub.3                                                                            "   " "  "     "                                                       774                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       775                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       776                                                                               Cl   "   " "  "     "                                                       777                                                                               CH.sub.3                                                                            "   " "  "     "                                                       778                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       779                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       780                                                                                "   "   O "  "     "                                                       781                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OC.sub.3 H.sub.6 OCH.sub.2 CHCH.sub.2                   782                                                                               Cl   "   " "  "     "                                                       783                                                                               CH.sub.3                                                                            "   " "  "     "                                                       784                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       785                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       786                                                                               Cl   "   " "  "     "                                                       787                                                                               CH.sub.3                                                                            "   " "  "     "                                                       788                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       789                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       790                                                                                "   "   O "  "     "                                                       791                                                                                "   "   " "  t-Bu  "                                                       792                                                                               Cl   "   " "  "     "                                                       793                                                                               CH.sub.3                                                                            "   " "  "     "                                                       794                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       795                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       796                                                                               Cl   "   " "  "     "                                                       797                                                                               CH.sub.3                                                                            "   " "  "     "                                                       798                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       799                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       800                                                                                "   "   O "  "     "                                                       801                                                                                "   "   " CH cyclopentyl                                                                          "                                                       802                                                                               Cl   "   " "  "     "                                                       803                                                                               CH.sub.3                                                                            "   " "  "     "                                                       804                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       805                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       806                                                                               Cl   "   " "  "     "                                                       807                                                                               CH.sub.3                                                                            "   " "  "     "                                                       808                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       809                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       810                                                                                "   "   O "  "     "                                                       811                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 CH.sub.2 OCH.sub.2 Ph                         812                                                                               Cl   "   " "  "     "                                                       813                                                                               CH.sub.3                                                                            "   " "  "     "                                                       814                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       815                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       816                                                                               Cl   "   " "  "     "                                                       817                                                                               CH.sub.3                                                                            "   " "  "     "                                                       818                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       819                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       820                                                                                "   "   O "  "     "                                                       821                                                                                "   "   " "  t-Bu  "                                                       822                                                                               Cl   "   " "  "     "                                                       823                                                                               CH.sub.3                                                                            "   " "  "     "                                                       824                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       825                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       826                                                                               Cl   "   " "  "     "                                                       827                                                                               CH.sub.3                                                                            "   " "  "     "                                                       828                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       829                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       830                                                                                "   "   O "  "     "                                                       831                                                                                "   "   " CH cyclopentyl                                                                          "                                                       832                                                                               Cl   "   " "  "     "                                                       833                                                                               CH.sub.3                                                                            "   " "  "     "                                                       834                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       835                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       836                                                                               Cl   "   " "  "     "                                                       837                                                                               CH.sub.3                                                                            "   " "  "     "                                                       838                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       839                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       840                                                                                "   "   O "  "     "                                                       841                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 CH.sub.2 OCH.sub.2 CCH                        842                                                                               Cl   "   " "  "     "                                                       843                                                                               CH.sub.3                                                                            "   " "  "     "                                                       844                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       845                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       846                                                                               Cl   "   " "  "     "                                                       847                                                                               CH.sub.3                                                                            "   " "  "     "                                                       848                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       849                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       850                                                                                "   "   O "  "     "                                                       851                                                                                "   "   " "  t-Bu  "                                                       852                                                                               Cl   "   " "  "     "                                                       853                                                                               CH.sub.3                                                                            "   " "  "     "                                                       854                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       855                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       856                                                                               Cl   "   " "  "     "                                                       857                                                                               CH.sub.3                                                                            "   " "  "     "                                                       858                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       859                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       860                                                                                "   "   O "  "     "                                                       861                                                                                "   "   " CH cyclopentyl                                                                          "                                                       862                                                                               Cl   "   " "  "     "                                                       863                                                                               CH.sub.3                                                                            "   " "  "     "                                                       864                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       865                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       866                                                                               Cl   "   " "  "     "                                                       867                                                                               CH.sub.3                                                                            "   " "  "     "                                                       868                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       869                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       870                                                                                "   "   O "  "     "                                                       871                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 CH(CH.sub.3) OCH.sub.2 CHCH.sub.2                                                       oil                                  872                                                                               Cl   "   " "  "     "                                                       873                                                                               CH.sub.3                                                                            "   " "  "     "                                                       874                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       875                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       876                                                                               Cl   "   " "  "     "                                                       877                                                                               CH.sub.3                                                                            "   " "  "     "                                                       878                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       879                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       880                                                                                "   "   O "  "     "                                                       881                                                                                "   "   " "  t-Bu  "                                                       882                                                                               Cl   "   " "  "     "                                                       883                                                                               CH.sub.3                                                                            "   " "  "     "                                                       884                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       885                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       886                                                                               Cl   "   " "  "     "                                                       887                                                                               CH.sub.3                                                                            "   " "  "     "                                                       888                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       889                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       890                                                                                "   "   O "  "     "                                                       891                                                                                "   "   " CH cyclopentyl                                                                          "                  oil                                  892                                                                               Cl   "   " "  "     "                                                       893                                                                               CH.sub.3                                                                            "   " "  "     "                                                       894                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       895                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       896                                                                               Cl   "   " "  "     "                                                       897                                                                               CH.sub.3                                                                            "   " "  "     "                                                       898                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       899                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       900                                                                                "   "   O "  "     "                                                       901                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OC.sub.4 H.sub.8 OCH.sub.2 CHCH.sub.2                   902                                                                               Cl   "   " "  "     "                                                       903                                                                               CH.sub.3                                                                            "   " "  "     "                                                       904                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       905                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       906                                                                               Cl   "   " "  "     "                                                       907                                                                               CH.sub.3                                                                            "   " "  "     "                                                       908                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       909                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       910                                                                                "   "   O "  "     "                                                       911                                                                                "   "   " "  t-Bu  "                                                       912                                                                               Cl   "   " "  "     "                                                       913                                                                               CH.sub.3                                                                            "   " "  "     "                                                       914                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       915                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       916                                                                               Cl   "   " "  "     "                                                       917                                                                               CH.sub.3                                                                            "   " "  "     "                                                       918                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       919                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       920                                                                                "   "   O "  "     "                                                       921                                                                                "   "   " CH cyclopentyl                                                                          "                                                       922                                                                               Cl   "   " "  "     "                                                       923                                                                               CH.sub.3                                                                            "   " "  "     "                                                       924                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       925                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       926                                                                               Cl   "   " "  "     "                                                       927                                                                               CH.sub.3                                                                            "   " "  "     "                                                       928                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       929                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       930                                                                                "   "   O "  "     "                                                       931                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH.sub.2 COONC(CH.sub.3).sub.2                         932                                                                               Cl   "   " "  "     "                                                       933                                                                               CH.sub.3                                                                            "   " "  "     "                                                       934                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       935                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       936                                                                               Cl   "   " "  "     "                                                       937                                                                               CH.sub.3                                                                            "   " "  "     "                                                       938                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       939                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       940                                                                                "   "   O "  "     "                                                       941                                                                                "   "   " "  t-Bu  "                                                       942                                                                               Cl   "   " "  "     "                                                       943                                                                               CH.sub.3                                                                            "   " "  "     "                                                       944                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       945                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       946                                                                               Cl   "   " "  "     "                                                       947                                                                               CH.sub.3                                                                            "   " "  "     "                                                       948                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       949                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       950                                                                                "   "   O "  "     "                                                       951                                                                                "   "   " CH cyclopentyl                                                                          "                                                       952                                                                               Cl   "   " "  "     "                                                       953                                                                               CH.sub.3                                                                            "   " "  "     "                                                       954                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       955                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       956                                                                               Cl   "   " "  "     "                                                       957                                                                               CH.sub.3                                                                            "   " "  "     "                                                       958                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       959                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       960                                                                                "   "   O "  "     "                                                       961                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.3)CONC(CH.sub.3).sub.2                       962                                                                               Cl   "   " "  "     "                                                       963                                                                               CH.sub.3                                                                            "   " "  "     "                                                       964                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       965                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       966                                                                               Cl   "   " "  "     "                                                       967                                                                               CH.sub.3                                                                            "   " "  "     "                                                       968                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       969                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       970                                                                                "   "   O "  "     "                                                       971                                                                                "   "   " "  t-Bu  "                                                       972                                                                               Cl   "   " "  "     "                                                       973                                                                               CH.sub.3                                                                            "   " "  "     "                                                       974                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       975                                                                               OCH.sub.3                                                                           "   " "  "     "                                                       976                                                                               Cl   "   " "  "     "                                                       977                                                                               CH.sub.3                                                                            "   " "  "     "                                                       978                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       979                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       980                                                                                "   "   O "  "     "                                                       981                                                                                "   "   " CH cyclopentyl                                                                          "                                                       982                                                                               Cl   "   " "  "     "                                                       983                                                                               CH.sub.3                                                                            "   " "  "     "                                                       984                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       985                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       986                                                                               Cl   "   " "  "     "                                                       987                                                                               CH.sub.3                                                                            "   " "  "     "                                                       988                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       989                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       990                                                                                "   "   O "  "     "                                                       991                                                                               OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    NHCH.sub.2 COOCH.sub.2 CHCH.sub.2                       992                                                                               Cl   "   " "  "     "                                                       993                                                                               CH.sub.3                                                                            "   " "  "     "                                                       994                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       995                                                                               OCH.sub.3                                                                           "   S "  "     "                                                       996                                                                               Cl   "   " "  "     "                                                       997                                                                               CH.sub.3                                                                            "   " "  "     "                                                       998                                                                               NHCH.sub.3                                                                          "   " "  "     "                                                       999                                                                               OCH.sub.3                                                                           "   " N  "     "                                                       1000                                                                               "   "   O "  "     "                                                       1001                                                                               "   "   " "  t-Bu  "                                                       1002                                                                              Cl   "   " "  "     "                                                       1003                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1004                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1005                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1006                                                                              Cl   "   " "  "     "                                                       1007                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1008                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1009                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1010                                                                               "   "   O "  "     "                                                       1011                                                                               "   "   " CH cyclopentyl                                                                          "                                                       1012                                                                              Cl   "   " "  "     "                                                       1013                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1014                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1015                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1016                                                                              Cl   "   " "  "     "                                                       1017                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1018                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1019                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1020                                                                               "   "   O "  "     "                                                       1021                                                                              OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    NHCH.sub.2 COOCH.sub.2 CCH                              1022                                                                              Cl   "   " "  "     "                                                       1023                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1024                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1025                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1026                                                                              Cl   "   " "  "     "                                                       1027                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1028                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1029                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1030                                                                               "   "   O "  "     "                                                       1031                                                                               "   "   " "  t-Bu  "                                                       1032                                                                              Cl   "   " "  "     "                                                       1033                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1034                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1035                                                                              OCH.sub.3                                                                           "   " "  "     "                                                       1036                                                                              Cl   "   " "  "     "                                                       1037                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1038                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1039                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1040                                                                               "   "   O "  "     "                                                       1041                                                                               "   "   " CH cyclopentyl                                                                          "                                                       1042                                                                              Cl   "   " "  "     "                                                       1043                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1044                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1045                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1046                                                                              Cl   "   " "  "     "                                                       1047                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1048                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1049                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1050                                                                               "   "   O "  "     "                                                       1051                                                                              OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    NHCH(CH.sub.3)COSCH.sub.2 Ph                            1052                                                                              Cl   "   " "  "     "                                                       1053                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1054                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1055                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1056                                                                              Cl   "   " "  "     "                                                       1057                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1058                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1059                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1060                                                                               "   "   O "  "     "                                                       1061                                                                               "   "   " "  t-Bu  "                                                       1062                                                                              Cl   "   " "  "     "                                                       1063                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1064                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1065                                                                              OCH.sub.3                                                                           "   " "  "     "                                                       1066                                                                              Cl   "   " "  "     "                                                       1067                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1068                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1069                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1070                                                                               "   "   O "  "     "                                                       1071                                                                               "   "   " CH cyclopentyl                                                                          "                                                       1072                                                                              Cl   "   " "  "     "                                                       1073                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1074                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1075                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1076                                                                              Cl   "   " "  "     "                                                       1077                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1078                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1079                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1080                                                                               "   "   O "  "     "                                                       1081                                                                              OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(t-Bu)(CN)      90-92                                1082                                                                              Cl   "   " "  "     "                                                       1083                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1084                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1085                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1086                                                                              Cl   "   " "  "     "                                                       1087                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1088                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1089                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1090                                                                               "   "   O "  "     "                                                       1091                                                                               "   "   " "  t-Bu  "                                                       1092                                                                              Cl   "   " "  "     "                                                       1093                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1094                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1095                                                                              OCH.sub.3                                                                           "   " "  "     "                                                       1096                                                                              Cl   "   " "  "     "                                                       1097                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1098                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1099                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1100                                                                               "   "   O "  "     "                                                       1101                                                                               "   "   " CH cyclopentyl                                                                          "                                                       1102                                                                              Cl   "   " "  "     "                                                       1103                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1104                                                                              NHCH.sub. 3                                                                         "   " "  "     "                                                       1105                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1106                                                                              Cl   "   " "  "     "                                                       1107                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1108                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1109                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1110                                                                               "   "   O "  "     "                                                       1111                                                                              OCH.sub.3                                                                           OCH.sub.3                                                                          O CH i-C.sub.3 H.sub.7                                                                    OCH(CH.sub.3)CN                                         1112                                                                              Cl   "   " "  "     "                                                       1113                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1114                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1115                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1116                                                                              Cl   "   " "  "     "                                                       1117                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1118                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1119                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1120                                                                               "   "   O "  "     "                                                       1121                                                                               "   "   " "  t-Bu  "                                                       1122                                                                              Cl   "   " "  "     "                                                       1123                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1124                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1125                                                                              OCH.sub.3                                                                           "   " "  "     "                                                       1126                                                                              Cl   "   " "  "     "                                                       1127                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1128                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1129                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1130                                                                               "   "   O "  "     "                                                       1131                                                                               "   "   " CH cyclopentyl                                                                          "                                                       1132                                                                              Cl   "   " "  "     "                                                       1133                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1134                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1135                                                                              OCH.sub.3                                                                           "   S "  "     "                                                       1136                                                                              Cl   "   " "  "     "                                                       1137                                                                              CH.sub.3                                                                            "   " "  "     "                                                       1138                                                                              NHCH.sub.3                                                                          "   " "  "     "                                                       1139                                                                              OCH.sub.3                                                                           "   " N  "     "                                                       1140                                                                              OCH.sub.3                                                                           OCH.sub.3                                                                          O N  cyclopentyl                                                                          OCH(CH.sub.3)CN                                         1141                                                                               "   "   " CH i-Pr                                                                                  ##STR25##         Ol                                   __________________________________________________________________________     Note: In Table I, Ph = phenyl, Pr = propyl and Bu = butyl.                

BIOLOGICAL EXAMPLES

The damage to the weed plants, or the crop plant compatibility, was rated using a key in which the effectiveness is expressed by scores from 0 to 5.In this key,

0=no action

1=0 to 20% action or damage

2=20 to 40% action or damage

3=40 to 60% action or damage

4=60 to 80% action or damage

5=80 to 100% action or damage

1. Pre-emergence herbicidal action

Seeds or rhizome pieces of mono- and dicotyledon weed plants were placed inplastic pots containing sandy loam soil and covered with soil. Various dosage rates of the compounds according to the invention formulated in theform of wettable powders or emulsion concentrates were then applied to the surface of the soil cover in the form of an aqueous suspension or emulsionat a water application rate of 600 to 800 l/ha (converted).

After the treatment, the pots were placed in the greenhouse and kept under good growth conditions for the weeds. Optical rating of the plant damage, or inadequate emergence, was effected after the test plants had emerged after a trial time of 3 to 4 weeks in comparison with untreated controls. As shown by the score figures in Table 3, the compounds according to the invention have a good herbicidal pre-emergence activity against a broad range of grass weeds and broad-leaf weeds.

                  TABLE II                                                         ______________________________________                                         Pre-emergence action                                                           Dosage rate    Herbicidal action                                               Ex. No. (kg of a.i./ha)                                                                           STAL     STME  ECCR   LOMU                                  ______________________________________                                          31      1.25      5        5     5      5                                     181     0.3        5        5     5      5                                     211     0.3        5        5     5      5                                      1      0.3        5        5     5      5                                     571     0.3        5        5     5      5                                     361     0.3        5        5     5      5                                     391     0.3        5        5     4      4                                     511     0.3        5        5     5      5                                     ______________________________________                                         Abbreviations:                                                                 STAL = Sinapis alba-                                                           STME = Stellaria media-                                                        ECCR = Echinochloa crus-galli-                                                 LOMU = Lolium multiflorum-                                                     a.i. = active ingredient                                                  

2. Post-emergence herbicidal action

Seeds or rhizome pieces of mono- and dicotyledon weeds were placed in plastic pots containing sandy loam soil, covered with soil and grown in the greenhouse under good growth conditions. Three weeks after sowing, thetest plants were treated at the three-leaf stage.

Various dosage rates of the compounds according to the invention formulatedas wettable powders or emulsion concentrates were sprayed on the green parts of the plants at a water application rate of 600 to 800 l/ha (converted), and, after the test plants had remained in the greenhouse forapprox. 3 to 4 weeks under ideal growth conditions, the action of the preparations was scored visually in comparison rated with untreated controls.

The compositions according to the invention also have a good herbicidal activity against a broad range of economically important grass weeds and broad-leaf weeds when used post-emergence.

                  TABLE III                                                        ______________________________________                                         Post-emergence action                                                          Dosage rate    Herbicidal action                                               Ex. No. (kg of a.i./ha)                                                                           STAL     STME  ECCR   LOMU                                  ______________________________________                                          31      1.25      5        5     5      5                                     181     0.3        5        5     5      5                                     211     0.3        5        4     5      5                                      1      0.3        5        5     5      5                                     571     0.3        4        4     3      5                                     361     0.3        5        5     5      5                                     391     0.3        5        5     4      4                                     511     0.3        5        5     5      5                                     ______________________________________                                         Abbreviations: as in Table II                                              

We claim:
 1. A compound of the formula (I) ##STR26## in which A is a radical formula ##STR27## X is O or S, Y is CH,R¹, R² independently of one another are C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, halogen, C₁ -C₄ -haloalkoxy, C₁ -C₄ -alkylamino or di-(C₁ -C₄ -alkyl)amino, R³ is isopropyl, tert-butyl or cyclopentyl, R⁴ is a C₁ -C₄ -alkoxy radical which is substituted by C₂ -C₄ -alkenyloxy, C₂ -C₄ -alkinyloxy, cyclohexyloxy, cyclohexenyloxy, cyclopentyloxy, cyclopentenyloxy, benzyloxy, benzylthio, (R*)₃ Si or (R*)₃ SiO, in which the radicals R* independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkinyl or phenyl, or by cyano, nitro, (C₁ -C₄ -alkyl)-carbonyl, C₁ -C₄ -alkylsulfonyl, C₁ -C₄ -alkylsulfinyl, di (C₁ -C₄ -alkyl)-phosphoryl, di-(C₁ -C₄ -alkyl)-phosphonyl, di-(C₁ -C₄ -alkyl)-phosphinyl or pyridyl, or is a radical of a 5- or 6-membered cyclic lactone bonded through the carbon in the α-position relative to the carbonyl group, or, R⁴ is a radical of the formula

    --D.sup.7 --CR.sup.15 R.sup.16 --L

in which D⁷ is O, S, NH, methylamino or ethylamino, R¹⁵, R¹⁶ independently of one another are hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkinyl, phenyl or benzyl, L is an acid derivative radical of the formula

    --CO--O--R.sup.17

    --CO--S--R.sup.18

    --CO--NR.sup.19 R.sup.20

    --CO--O--N═CR.sup.21 R.sup.22

    --CO--N═CR.sup.21 R.sup.22

    --O--CO--R.sup.23

    --S--CO--R.sup.23

    --NR.sup.14 --CO--R.sup.23 ##STR28## R.sup.17 is hydrogen, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 -alkinyl, cyclohexyl, cyclopentyl, cyclohexenyl, cyclopentenyl, benzyl, phenyl or phenyl substituted by one or more radicals selected from the group consisting of halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, nitro and cyano, R.sup.18 is hydrogen , C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 -alkinyl, cyclohexyl, cyclopentyl, cyclohexenyl, cyclopentenyl, benzyl, phenyl or phenyl substituted by one or more radicals selected from the group consisting of halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, nitro and cyano,

R¹⁹, R²⁰ independently of one another are hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkinyl, cyclohexyl, cyclopentyl, benzyl, phenyl or phenyl substituted by one or more radicals selected from the group consisting of halogen, C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, C₁ -C₄ -haloalkyl, C₁ -C₄ -haloalkoxy, nitro and cyano, or together with the nitrogen atom linking them, are a heterocyclic 5- or 6-membered ring, R²¹, R²² independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkinyl or together with the carbon atom linking them, a carbocyclic 5- or 6- membered ring, R²³ is hydrogen, C₁ -C₄ -alkyl, cyclohexyl, cyclopentyl, phenyl or phenyl substituted by one or more radicals selected from the group consisting of halogen, C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, C₁ -C₄ -haloalkyl, C₁ -C₄ -haloalkoxy, nitro and cyano, R²⁴ is C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkinyl, where the last-mentioned 3 radicals are unsubstituted or substituted by one or more radicals from the group consisting of halogen or C₁ -C₄ -alkoxy, or is C₁ -C₄ -alkanoyl, (C₁ -C₄ -alkoxy)-carbonyl, benzyl, benzoxycarbonyl, phenyl or benzoyl, where the last-membered 4 radicals are unsubstituted or substituted by C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, halogen or nitro, R²⁵ hydrogen or C₁ -C₄ -alkyl, R²⁶ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkinyl, where the last-mentioned 3 radicals are unsubstituted or substituted by one or more halogen atoms R²⁷, R²⁸ independently of one another are hydrogen or C₁ -C₄ -alkyl, or R⁴ is a radical of the formula ##STR29## where R²⁹, R³⁰, R³¹ independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl C₂ -C₄ -alkinyl, phenyl or phenyl substituted by one or more radicals selected from the group consisting of halogen, C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, C₁ -C₄ -haloalkyl, C₁ -C₄ -haloalkoxy, nitro and cyano, R⁵ is C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkinyl, cyclohexyl, cyclopentyl, phenyl, pyridyl or thienyl, where the 3 last-mentioned radicals are unsubstituted or substituted by 1 to 3 radicals Z, R⁶ is hydrogen or C₁ -C₄ -alkyl, and Z is halogen, C₁ -C₄ -alkyl, C₁ -C₄ -haloalkyl, C₁ -C₄ -haloalkoxy, C₁ -C₄ -alkylthio, C₁ -C₄ -alkylamino, di-(C₁ -C₄ -alkyl)-amino or nitro.
 2. A compound as claimed in claim 1 whereinR⁴ is a C₁ -C₄ -alkoxy radical which is substituted by allyloxy, propargyloxy, (R*)₃ Si or (R*)₃ SiO, in which the radicals R* independently of one another are methyl, ethyl or phenyl, or by C₁ -C₄ -alkylsulfonyl, C₁ -C₄ -alkylsulfinyl, di-(C₁ -C₄ -alkyl)-phosphinyl, di-(C₁ -C₄ -alkyl) -phosphonyl or di-(C₁ -C₄ -alkyl) -phosphoryl, or is a radical of a 5- or 6-membered cyclic lactone bonded through the carbon in the α-position relative to the carbonyl group, or R⁴ is a radical of the formula

    --D.sup.7 --CR.sup.15 R.sup.16 --L

D⁷ is O, S or NH, R¹⁵, R¹⁶ independently of one another are hydrogen or methyl,L is an acid derivative radical of the formula

    --CO--O--R.sup.17

    --CO--S--R.sup.18

    --CO--O--N═CR.sup.21 R.sup.22

    --CO--N═CR.sup.21 R.sup.22

    --O--CO--R.sup.23 ##STR30## R.sup.17 is hydrogen, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 alkinyl, benzyl or phenyl, R.sup.18 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 -alkinyl, benzyl or phenyl,

R¹⁹, R²⁰ independently of one another are hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkinyl, cyclohexyl, cyclopentyl, benzyl, phenyl or phenyl substituted by one or more radicals selected from the group consisting of halogen, C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, C₁ -C₄ -haloalkyl, C₁ -C₄ -haloalkoxy, nitro and cyano, or together with the nitrogen atom linking them, a heterocyclic 5- or 6-membered ring, R²⁴ is C₁ -C₄ -alkyl, which is unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, and C₁ -C₄ -alkoxy, or is (C₁ -C₄ -alkoxy)-carbonyl, benzyl, benzoxycarbonyl, phenyl or benzoyl, where the last-mentioned 4 radicals are unsubstituted or substituted by C₁ -C₄ -alkyl, C₁ -C₄ -alkoxy, halogen or nitro, R²⁵ is hydrogen or C₁ -C₄ -alkyl, R²⁶ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkinyl, and R²⁷, R²⁸ independently of one another are hydrogen or C₁ -C₄ -alkyl, or R⁴ is a radical of the formula ##STR31## where R²⁹, R³⁰, R³¹ independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkinyl or phenyl.
 3. A compound as claimed in claim 2, whereinR⁴ is a C₁ -C₄ -alkoxyl radical which is substituted by allyloxy, propargyloxy, (R,)₃ Si or (R*)₃ SiO, in which the radicals R* independently or one another are methyl, ethyl or phenyl, or by C₁ -C₄ -alkysulfonyl, C₁ -C₄ -alkylsulfinyl, di-(C₁ -C₄ -alkyl)-phosphinyl, di-C₁ -C₄ -alkyl)-phosphonyl or di-(C₁ -C₄ -alkyl)-phosphoryl, or is the radical of a 5- or 6-membered cyclic lactone bonded through the carbon in the α-position relative to the carbonyl group, or R⁴ is a radical of the formula

    --D--CR.sup.15 R.sup.16 --L

D⁷ is O, S or NH, R¹⁵, R¹⁶ independently of one another are hydrogen or methyl, L is an acid derivative radical of the formula

    --CO--O--R.sup.17 ##STR32## R.sup.17 is hydrogen, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 -alkinyl, benzyl or phenyl, R.sup.24 is C.sub.1 -C.sub.4 -alkyl, which is unsubstituted or substituted by one or more radicals selected from the group consisting of halogen and C.sub.1 -C.sub.4 -alkoxy, or is (C.sub.1 -C.sub.4 -alkoxy)-carbonyl, benzyl, benzoxycarbonyl, phenyl or benzoyl, where the last-mentioned 4 radicals are unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen or nitro,

R²⁵ is hydrogen or C₁ -C₄ -alkyl, R²⁶ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkinyl, and R²⁷, R²⁸ independently of one another are hydrogen or C₁ -C₄ -alkyl.
 4. A compound as claimed in claim 3, whereinX is O, R¹, R² independently of one another are C₁ -C₄ -alkyl or C₁ -C₄ -alkoxy, R³ is isopropyl, tert-butyl or cyclopentyl, R⁴ is a C₁ -C₄ -alkoxy radical which is substituted by allyloxy, propargyloxy, (R*)₃ Si or (R*)₃ SiO, in which the radicals R* independently of one another are methyl or ethyl, or by C₁ -C₄ -alkylsulfonyl, di-(C₁ -C₄ -alkyl)phosphonyl,or is 2-oxo-1-oxolan-3-ylor is a radical of the formula

    --D.sup.7 --CR.sup.15 R.sup.16 --L

D⁷ is O, R¹⁵ , R¹⁶ independently of one another are hydrogen or methyl L is an acid derivative radical of the formula

    CO--O--R.sup.17 ##STR33## R.sup.17 is hydrogen, allyl, propargyl or benzyl, R.sup.24 is C.sub.1 -C.sub.4 -alkyl,

R²⁵ is hydrogen or C₁ -C₄ -alkyl R²⁶ is hydrogen, C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl or C₂ -C₄ -alkinyl, and R²⁷, R²⁸ independently of one another are hydrogen or methyl.
 5. A compound as claimed in claim 2, whereinR⁴ is a radical of the formula ##STR34## where R²⁹, R³⁰, R³¹ independently of one another are C₁ -C₄ -alkyl, C₂ -C₄ -alkenyl, C₂ -C₄ -alkinyl or phenyl.
 6. A compound as claimed in claim 2, wherein R²⁹, R³⁰, R³¹ independently of one another are C₁ -C₄ -alkyl.
 7. A herbicidal or plant growth-regulating composition which comprises an effective amount of a compound of formula (I) as defined in claim 1, and conventional formulation auxiliaries.
 8. A method for controlling harmful plants or for regulating the growth of plants, which comprises applying an effective amount of one or more compounds of formula (I) as claimed in claim 1, to the plants, seeds of the plants or the area under cultivation. 